Name Size Creator Creation Date Labels Comment  
PDF File 2285794.pdf 995 kB Shaun Ewing Jun 09, 1942 00:00
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US-2285794-A // Control circuits // Barney Harold L. // Bell Telephone Labor Inc
PDF File 2285657.pdf 695 kB Shaun Ewing Jun 09, 1942 00:00
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US-2285657-A // Brush carriage for selector switches // Hickman Clarence N. // Bell Telephone Labor Inc
PDF File 2285565.pdf 495 kB Shaun Ewing Jun 09, 1942 00:00
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US-2285565-A // Directive antenna // Brucc Edmond // Bell Telephone Labor Inc
PDF File 2285524.pdf 1.30 MB Shaun Ewing Jun 09, 1942 00:00
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US-2285524-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc
PDF File 2285512.pdf 422 kB Shaun Ewing Jun 09, 1942 00:00
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US-2285512-A // Stapling machine // Harley Joseph J. // Bell Telephone Labor Inc
PDF File 2285451.pdf 1.44 MB Shaun Ewing Jun 09, 1942 00:00
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US-2285451-A // Automatic control system // Melhose Alfred E. // Bell Telephone Labor Inc
PDF File 2285034.pdf 379 kB Shaun Ewing Jun 02, 1942 00:00
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US-2285034-A // Cover for cable terminal housings // Kelsay Le Roy W. // Bell Telephone Labor Inc
PDF File 2285022.pdf 605 kB Shaun Ewing Jun 02, 1942 00:00
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US-2285022-A // Telephone substation apparatus // Edwards William H. // Bell Telephone Labor Inc
PDF File 2285017.pdf 418 kB Shaun Ewing Jun 02, 1942 00:00
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US-2285017-A // Coating apparatus // Christensen Carl J. // Bell Telephone Labor Inc
PDF File 2284870.pdf 1.51 MB Shaun Ewing Jun 02, 1942 00:00
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US-2284870-A // Telephone system // Holden William H. T. ; Lewis Benjamin F. // Bell Telephone Labor Inc
PDF File 2284855.pdf 1.19 MB Shaun Ewing Jun 02, 1942 00:00
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US-2284855-A // Amplifier circuits // West Julian M. // Bell Telephone Labor Inc
PDF File 2284773.pdf 346 kB Shaun Ewing Jun 02, 1942 00:00
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US-2284773-A // Method of forming thin articles // Sivian Leon J. ; Wente Edward C. // Bell Telephone Labor Inc
PDF File 2284755.pdf 1.07 MB Shaun Ewing Jun 02, 1942 00:00
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US-2284755-A // Coin collector apparatus // Melick John M. // Bell Telephone Labor Inc
PDF File 2284753.pdf 1.23 MB Shaun Ewing Jun 02, 1942 00:00
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US-2284753-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2284617.pdf 314 kB Shaun Ewing Jun 02, 1942 00:00
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US-2284617-A // Relay switching circuits // Barney Harold L. // Bell Telephone Labor Inc
PDF File 2284555.pdf 1.12 MB Shaun Ewing May 26, 1942 00:00
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US-2284555-A // Signaling system // Black Harold S. // Bell Telephone Labor Inc
PDF File 2284547.pdf 580 kB Shaun Ewing May 26, 1942 00:00
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US-2284547-A // Electrical device // West John W. // Bell Telephone Labor Inc
PDF File 2284529.pdf 787 kB Shaun Ewing May 26, 1942 00:00
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US-2284529-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2284444.pdf 636 kB Shaun Ewing May 26, 1942 00:00
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US-2284444-A // Demodulation circuit // Peterson Eugene // Bell Telephone Labor Inc
PDF File 2284417.pdf 920 kB Shaun Ewing May 26, 1942 00:00
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US-2284417-A // Scanning system // Gray Frank // Bell Telephone Labor Inc
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