Name Size Creator Creation Date Labels Comment  
PDF File 2623114.pdf 1.57 MB Shaun Ewing Dec 23, 1952 00:00
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US-2623114-A // Pulse counting and registering circuits // Low Frank K. // Bell Telephone Labor Inc
PDF File 2623108.pdf 1.82 MB Shaun Ewing Dec 23, 1952 00:00
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US-2623108-A // Fault signaling system // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2623105.pdf 388 kB Shaun Ewing Dec 23, 1952 00:00
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US-2623105-A // Semiconductor translating device having controlled gain // Shockley William ; Sparks Morgan // Bell Telephone Labor Inc
PDF File 2623103.pdf 510 kB Shaun Ewing Dec 23, 1952 00:00
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US-2623103-A // Semiconductor signal translating device // Kircher Reymond J. // Bell Telephone Labor Inc
PDF File 2623102.pdf 1.71 MB Shaun Ewing Dec 23, 1952 00:00
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US-2623102-A // Circuit element utilizing semiconductive materials // Shockley William // Bell Telephone Labor Inc
PDF File 2622272.pdf 517 kB Shaun Ewing Dec 23, 1952 00:00
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US-2622272-A // Method and apparatus for beading silver chloride sheets // Haring Horace E. ; Taylor Raymond L. // Bell Telephone Labor Inc
PDF File 2622271.pdf 1.03 MB Shaun Ewing Dec 23, 1952 00:00
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US-2622271-A // Machine for beading silver chloride plates // Gent Edgar W. ; Werring Walter W. // Bell Telephone Labor Inc
PDF File 2622213.pdf 965 kB Shaun Ewing Dec 16, 1952 00:00
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US-2622213-A // Transistor circuit for pulse amplifier delay and the like // Harris James R. // Bell Telephone Labor Inc
PDF File 2622212.pdf 1.06 MB Shaun Ewing Dec 16, 1952 00:00
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US-2622212-A // Bistable circuit // Anderson Alva Eugene ; Trent Robert L. // Bell Telephone Labor Inc
PDF File 2622211.pdf 873 kB Shaun Ewing Dec 16, 1952 00:00
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US-2622211-A // Stabilized transistor trigger circuit // Trent Robert L. // Bell Telephone Labor Inc
PDF File 2622127.pdf 2.69 MB Shaun Ewing Dec 16, 1952 00:00
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US-2622127-A // Indicating apparatus // Alsberg Dietrich A. ; Muhlsteff Robert P. // Bell Telephone Labor Inc
PDF File 2621295.pdf 1.35 MB Shaun Ewing Dec 09, 1952 00:00
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US-2621295-A // Electrical wave producing circuit // Lacy Lester Y. // Bell Telephone Labor Inc
PDF File 2620448.pdf 1.20 MB Shaun Ewing Dec 02, 1952 00:00
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US-2620448-A // Transistor trigger circuits // Jr. Robert L. Wallace, // Bell Telephone Labor Inc
PDF File 2620402.pdf 1.69 MB Shaun Ewing Dec 02, 1952 00:00
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US-2620402-A // Telephone substation circuit with automatic compensation for length of line // Botsford Nelson ; Jr. Albert P. Boysen, ; Aikens Andrew J. ; Jr. Walter D. Goodale, ; Inglis Alfred H. // Bell Telephone Labor Inc
PDF File 2620399.pdf 3.33 MB Shaun Ewing Dec 02, 1952 00:00
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US-2620399-A // Telephone switching system employing repetitive impulsing // Malthaner William A. // Bell Telephone Labor Inc
PDF File 2619631.pdf 741 kB Shaun Ewing Nov 25, 1952 00:00
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US-2619631-A // Regulating apparatus // Hamilton Billy H. ; Spencer Harry H. // Bell Telephone Labor Inc
PDF File 2619630.pdf 561 kB Shaun Ewing Nov 25, 1952 00:00
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US-2619630-A // Regulating apparatus // Stone John R. // Bell Telephone Labor Inc
PDF File 2619626.pdf 798 kB Shaun Ewing Nov 25, 1952 00:00
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US-2619626-A // Current supply apparatus // Anderson Frederic W. // Bell Telephone Labor Inc
PDF File 2619549.pdf 960 kB Shaun Ewing Nov 25, 1952 00:00
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US-2619549-A // Toll supervisory operator's telephone circuit // Buchanan Russell B. // Bell Telephone Labor Inc
PDF File 2619546.pdf 1.74 MB Shaun Ewing Nov 25, 1952 00:00
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US-2619546-A // Party line identification system // Myers Oscar // Bell Telephone Labor Inc
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