TOC | Previous Section: Appendix I | Next Section: Appendix K

---

History of Communications-Electronics in the United States Navy, Captain Linwood S. Howeth, USN (Retired), 1963, pages 577-580:

Appendix  J.  Radio  Patents  Owned  by  or  Licensed  to  the  United  States  Government

Patent No.		Date of issue						Inventor		Title
736483		18		Aug.		1903		G. F. R. Blockmann		Telegraphic transmitting and receiving apparatus.
743056		3		Nov.		1903		F. Braun		Wireless telegraphy.
744897		24		Nov.		1903		F. Braun		Means for directing electric waves for use in wireless telegraphy.
750429		26		Jan.		1904		F. Braun		Wireless electric transmission of signals over surfaces.
763164		21		June		1904		J. Donitz		Apparatus for determining the length of waves and observing the oscillations in electric oscillation systems.
763345		21		June		1904		F. Braun		Means for tuning and adjusting electric circuits.
776337		29		Nov.		1904		Mandelstam and Brandes		Wireless signaling system.
776380		29		Nov.		1904		F. Braun		Method of producing quick electrical oscillations of different phases.
776216		13		Dec.		1904		S. Musits		Apparatus for wireless telephone.
783923		28		Feb.		1905		A. Blondel		Wireless telegraphy by electric waves.
783992		28		Feb.		1905		A. Blondel		Wireless telegraphy by electric waves.
789449		9		May		1905		V. Poulsen		Method of producing alternating currents with a high number of vibrations.
790179		16		May		1905		F. Braun		Wireless telegraphy.
790250		16		May		1905		Braun and Randahl		Apparatus for increasing the discharge energy of electrical vibration systems.
793609		27		June		1905		V. Poulsen		Apparatus for alternating current.
797169		15		Aug.		1905		F. Braun		Space telegraphy.
797544		15		Aug.		1905		F. Braun		Space telegraphy.
810150		16		Jan.		1906		C. Hulsmeyer		Wireless transmitting and receiving mechanism for electric waves.
813914		27		Feb.		1906		R. H. Randahl		Wireless electric signaling system.
820169		8		May		1906		G. Von Arco		Resonance circuit.
820258		8		May		1906		R. H. Randahl		Detector for electromagnetic waves or the like.
824682		26		June		1906		A. Blondel		Method of practicing wireless telegraphy.
828864		14		Aug.		1906		W. Schloemilch		Receiver for wireless telegraphy.
835023		6		Nov.		1906		H. Heinicke		Transformer.
839029		18		Dec.		1906		V. Poulsen		Receiving system for wireless transmission of signals.
851336		23		Apr.		1907		G. Von Arco		Transmitter for wireless telegraphy.
858668		2		July		1907		P. O. Pederson		Receiver for electrical oscillations.
883437		31		Mar.		1908		L. D. Wildman		Receiver for space signaling systems.
890451		9		June		1908		V. Poulsen		Generator of electric oscillations.
892311		30		June		1908		O. Scheller		Apparatus for plotting resonance curves.
892312		30		June		1908		O. Scheller		System for receiving undamped electric oscillations.
897779		1		Sept.		1908		V. Poulsen		Receiver for wireless signaling.
905537		1		Dec.		1908		G. Jahr		Receiver arrangement for wireless telegraphy.
914483		9		Mar.		1909		Erdman and Fischer		Device for preventing collisions at sea.
929487		27		July		1909		V. Poulsen		Wireless signaling system.
930588		10		Aug.		1909		Wirth and Beck		Receiving electrical system.
936258		5		Oct.		1909		W. Schloemilch		Receiver for space telegraphy.
958181		17		May		1910		W. Schloemilch		Receiver for wireless telegraphy.
958209		17		May		1910		G. Von Arco		Portable station for wireless telegraphy.
959100		24		May		1910		G. Von Arco		Aerial conductor arrangement for wireless telegraphy.
961645		14		June		1910		V. Poulsen		Receiver for wireless transmission of signals.
962262		29		June		1910		Schloemilch and Pichon.		Wave detector for wireless telegraphy.
966705		9		Aug.		1910		V. Poulsen		Signaling by wireless telegraphy.
970850		20		Sept.		1910		A. Plizener		Wireless telephony.
986405		7		Mar.		1911		P. O. Pederson		Transmitting apparatus for wireless telegraphy.
994426		6		June		1911		R. H. Randahl		Receiver for wireless telegraphy.
1003210		12		Sept.		1911		Schloemilch and Pichon.		Wave detector for wireless telegraphy.
1003374		12		Sept.		1911		Schloemilch and Pichon.		Wave detector for wireless telegraphy.
1005471		10		Oct.		1911		R. H. Randahl		Antenna.
1012496		19		Dec.		1911		G. Wirth		Wireless receiving electric system.
1014722		16		Jan.		1912		R. H. Randahl		Means for varying the period of oscillation of two oscillatory circuits.
1029573		11		June		1912		Wirth, Beck and Knauss.		Wireless controlled current distributor.
1043117		5		Nov.		1912		E. Von Lepel		Apparatus for producing rapid electric oscillations.
1051744		28		Jan.		1913		A. Meissner		Spark gap for impulse excitation.
1052849		11		Feb.		1913		Schloemilch and Pichon.		System of radiotelephony.
1059391		22		Apr.		1913		V. Poulsen		Receiver for wireless transmission of signals.
1061717		13		May		1913		G. Von Arco		Arrangement for producing electrical oscillations.
1064325		10		June		1913		B. Hirsch		Wave meter.
1067851		22		July		1913		A. Wasmus		Means for producing Rontgen rays.
1077733		4		Nov.		1913		A. Meissner		Means for producing slightly damped oscillations by shock excitation.
1082221		23		Dec.		1913		G. Von Arco		Radiotelegraphic station.
1087126		17		Feb.		1914		Macku, Mandelstam and Papalexi		Arrangement for producing slightly damped electrical oscillations.
1087549		17		Feb.		1914		V. Poulsen		Receiver for wireless transmission signals.
1087892		17		Feb.		1914		Schloemilch and Von Sronk.		Means for receiving electrical oscillations.
1091159		24		Mar.		1914		P. O. Pederson		Transmitting apparatus for electric signaling.
1092294		7		Apr.		1914		J. Schiessler		Receiving apparatus for alternative wireless telegraphy and telephony.
1099998		16		June		1914		J. Schiessler		Submarine signaling apparatus.
1101148		23		June		1914		J. Schiessler		Apparatus for the production and strengthening of electrical vibrations.
1103822		14		July		1914		W. Otts		High-tension oscillator.
1104556		21		July		1914		C. Schon		Photographic recording apparatus.
1116130		3		Nov.		1914		J. Schiessler		Electric capacitative inductive coupling.
1116059		3		Nov.		1914		W. Hahnemann		Antenna structure on aeroplanes for wireless signaling.
1131187		9		Mar.		1915		Von Arco and Randahl.		Self-inductive means for electrical oscillatory circuits.
1135604		13		Apr.		1915		A. Meissner		Process and apparatus for determining the position of radio telegraphic receivers.
1142625		8		June		1915		E. Reitz		Discharge tube.
1148279		27		June		1915		Von Arco and Randahl.		Self-inductive means for electrical oscillatory circuits.
1148827		3		Aug.		1915		W. Burstyn		Wireless telephone transmitter.
1150395		17		Aug.		1915		C. Schon		Telegraphic transmission.
1151824		31		Aug.		1915		G. Reuthe		Electric condenser.
1152272		31		Aug.		1915		H. Boss		Electric spark gap.
1158309		26		Oct.		1915		C. Schon		Transmitter for wireless telegraphy.
1161142		23		Nov.		1915		C. V. Logwood		Wireless communication.
1162830		7		Dec.		1915		Von Arco and Meissner.		System for signaling by wireless telegraphy under the quenched-spark method.
1163180		7		Dec.		1915		Schloemilch and Lieb.		Means for strengthening weak electric impulses.
1168837		18		Jan.		1916		E. Von Lepel		Method of producing electrical oscillations.
1169082		18		Jan.		1916		Von Lieben, Leisz and Strauss.		Discharge-tube.
1169676		25		Jan.		1916		Pichon and Meissner.		Frequency-converter.
1170552		8		Feb.		1916		A. Meissner		Means for producing alternating current by cathode-ray tubes.
1175472		14		Mar.		1916		R. H. Randall		Coupling for electrical oscillation circuits.
1175489		14		Mar.		1916		Von Arco and Randahl.		Self-inductive means for electrical oscillatory circuit.
1178890		11		Apr.		1916		Von Arco, Leib and Frey.		Radiotelegraphy station.
1179353		----------						L. F. Fuller		Wireless telegraphy.
1180075		18		Apr.		1916		P. F. Pichon		Production and detection of electric oscillations.
1181556		2		May		1916		Von Arco and Meissner.		Means for producing high-frequency currents.
1186654		13		June		1916		A. Franke		Means for producing phase-shifted oscillations in a plurality of independent oscillation circuits.
1190165		4		July		1916		Hahnemann		Submarine telegraphy or telephony.
1197366		5		Sept.		1916		Hahnemann		Wireless signaling apparatus.
1204720		14		Nov.		1916		E. Von Lepel		Circuit arrangement for wireless transmitters.
1210540		2		Jan.		1917		Rukep and Schloemilch.		Cathode-ray tube.
1214214		30		Jan.		1917		Poulsen and Pederson.		Generator of high-frequency current.
1214283		30		Jan.		1917		L. DeForest		Wireless telegraphy.
1214591		6		Feb.		1917		G. Reuthe		Antenna for radiotelegraph station.
1214621		6		Feb.		1917		Von Arco and Meissner		Means for producing electrical oscillations with the aid of an auxiliary oscillation circuit.
1216538		20		Feb.		1917		Von Arco and  Randahl		Means for producing electrical oscillations.
1216615		20		Feb.		1917		G. Seibt		Apparatus for producing powerful electrical oscillations.
1219550		20		Mar.		1917		Hahnemann		Antenna structure on airplanes for wireless signaling.
1224048		24		Apr.		1917		E. Von Lepel		Method of producing electrical oscillations of high frequency from direct current.
1224343		1		May		1917		J. O. Watkins		Wireless telegraphy.
1229740		12		June		1917		R. Rurstenan		Measuring instrument for Roentgen rays.
1231528		26		June		1917		P. O. Pederson		Generator for high-frequency currents.
1267018		21		May		1918		Von Arco and Meissner		Transmitting apparatus for wireless telegraphy and telephony.
1294177		11		Feb.		1919		W. Schloemilch		Wave detector.
1294985		18		Feb.		1919		Von Arco and Meissner		Station for wireless telegraphy and telephony.
1298490		25		Mar.		1919		L. F. Fuller		Electrical oscillation generator.
1300156		8		Apr.		1919		L. F. Fuller		Radiotelegraphy.
1300157		8		Apr.		1919		L. F. Fuller		Radiotelegraphy.
1306223		10		June		1919		L. F. Fuller		Radiotelegraphy.
1308530		1		July		1919		Reuthe		Controlling wireless telegraph transmitters.
1309283		8		July		1919		L. F. Fuller		Radiotelegraphy.
1311654		29		July		1919		---		Radio method and apparatus.
1314095		26		Aug.		1919		G. Reuthe		Antenna arrangement for wireless signaling and the like.
1314102		26		Aug.		1919		Von Arco and Meissner		Connection for electric relays working with ionized gas gap.
1316172		16		Sept.		1919		Marx and Fuller		Radiotelegraphy.
1320585		4		Nov.		1919		R. R. Beal		Wireless telegraphy.
1330254		10		Feb.		1920		L. F. Fuller		Radiotelegraphy.
1336833		13		Apr.		1920		L. F. Fuller		Radiotelegraphy.
1339191		4		May		1920		L. F. Fuller		Radiotelegraphy.
1344052		22		June		1920		Marx and Fuller		Radiotelegraphy.
1350695		24		Aug.		1920		---		Radio transmission system.
1352059		7		Sept.		1920		---		Wiggling electrode division of 1298.
1352883		14		Sept.		1920		---		Ignition key signaling.
1352886		14		Sept.		1920		---		Loop transmission.
1358143		9		Nov.		1920		---		Coupled compensation isolated loop.
1358144		9		Nov.		1920		---		Arcs in multiple.
1381626		14		June		1921		---		Impulse transformer system.
1385121		19		July		1921		---		Bullet nosed anode.
1394560		23		Mar.		1921		---		Method of and apparatus for transmitting radio energy.
1399945		13		Dec.		1921		---		Overlapping loops.
1410730		28		Mar.		1922		---		Hinged top generator.
1424141		25		July		1922		---		Condenser.
1447165		27		Feb.		1923		---		Directional finding, uni-directional reception and transmission.
1454307		8		May		1923		---		Single wave signaling.
1454624		8		May		1923		---		Radio signaling group frequency.
1454629		8		May		1923		---		Single wave coupled compensation.
1454630		8		May		1923		---		Single wave phase angle of residual current.
1454652		8		May		1923		---		Radio frequency transmission system.

(Report of the Federal Trade Commission on the Radio Industry, 1 December, 1923, Government Printing Office, 1924, Washington, D. C., Appendix, Exhibit A-3, pp. 114-116.)

---

TOC | Previous Section: Appendix I | Next Section: Appendix K