Name Size Creator Creation Date Labels Comment  
PDF File 2416320.pdf 822 kB Shaun Ewing Feb 25, 1947 00:00
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US-2416320-A // Cathode-ray tube circuit // Jeanne Paul A. // Bell Telephone Labor Inc
PDF File 2407649.pdf 819 kB Shaun Ewing Sept 17, 1946 00:00
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US-2407649-A // Direction finding system // Budenbom Horace T. // Bell Telephone Labor Inc
PDF File 2441590.pdf 818 kB Shaun Ewing May 18, 1948 00:00
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US-2441590-A // Translating device // Ohl Russell S. // Bell Telephone Labor Inc
PDF File 2452652.pdf 816 kB Shaun Ewing Nov 02, 1948 00:00
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US-2452652-A // Glass sealing method and machine // Hansen Rolf K. // Bell Telephone Labor Inc
PDF File 2442378.pdf 816 kB Shaun Ewing Jun 01, 1948 00:00
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US-2442378-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc
PDF File 2528446.pdf 815 kB Shaun Ewing Oct 31, 1950 00:00
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US-2528446-A // Current control circuit // Mcconnell John H. // Bell Telephone Labor Inc
PDF File 2503391.pdf 815 kB Shaun Ewing Apr 11, 1950 00:00
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US-2503391-A // Automatic volume control // Kannenberg Walter F. // Bell Telephone Labor Inc
PDF File 2441557.pdf 814 kB Shaun Ewing May 18, 1948 00:00
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US-2441557-A // Selective signaling system // Bowne Langford J. // Bell Telephone Labor Inc
PDF File 2442351.pdf 814 kB Shaun Ewing Jun 01, 1948 00:00
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US-2442351-A // Training device for object locating signaling systems // Fritschi Walter W. // Bell Telephone Labor Inc
PDF File 2504354.pdf 812 kB Shaun Ewing Apr 18, 1950 00:00
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US-2504354-A // Phase controlled multivibrator // Roschke Erwin M. // Bell Telephone Labor Inc
PDF File 2440252.pdf 810 kB Shaun Ewing Apr 27, 1948 00:00
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US-2440252-A // Multivibrator // Dimond Thomas L. // Bell Telephone Labor Inc
PDF File 2401328.pdf 810 kB Shaun Ewing Jun 04, 1946 00:00
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US-2401328-A // Sound translating device // Jr. Robert Black, // Bell Telephone Labor Inc
PDF File 2528121.pdf 810 kB Shaun Ewing Oct 31, 1950 00:00
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US-2528121-A // Electrical connector // Dickinson Frank R. // Bell Telephone Labor Inc
PDF File 2510274.pdf 808 kB Shaun Ewing Jun 06, 1950 00:00
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US-2510274-A // Apparatus for spot coating crystal blanks // Barry Joseph F. ; Ruggles David M. // Bell Telephone Labor Inc
PDF File 2497901.pdf 807 kB Shaun Ewing Feb 21, 1950 00:00
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US-2497901-A // Magnetostrictive transmitter // Mott Edward E. // Bell Telephone Labor Inc
PDF File 2408432.pdf 807 kB Shaun Ewing Oct 01, 1946 00:00
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US-2408432-A // Telephone system // Maloney Martin E. // Bell Telephone Labor Inc
PDF File 2415816.pdf 806 kB Shaun Ewing Feb 18, 1947 00:00
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US-2415816-A // Ionic discharge device // Depew Charles ; Depp Wallace A. ; Luce Alfred N. ; Haynes James R. // Bell Telephone Labor Inc
PDF File 2413026.pdf 806 kB Shaun Ewing Dec 24, 1946 00:00
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US-2413026-A // Cathode-ray indicating device // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2507696.pdf 805 kB Shaun Ewing May 16, 1950 00:00
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US-2507696-A // Glow discharge device // Depp Wallace A. // Bell Telephone Labor Inc
PDF File 2432516.pdf 804 kB Shaun Ewing Dec 16, 1947 00:00
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US-2432516-A // Keyed pulse generator // Jr. Stephen Doba, // Bell Telephone Labor Inc
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