Name Size Creator Creation Date Labels Comment  
PDF File 2506414.pdf 553 kB Shaun Ewing May 02, 1950 00:00
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US-2506414-A // Sealed wire contact device // Ellwood Walter B. // Bell Telephone Labor Inc
PDF File 2411872.pdf 552 kB Shaun Ewing Dec 03, 1946 00:00
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US-2411872-A // Microwave directive antenna // Feldman Carl B. H. ; Mueller George E. // Bell Telephone Labor Inc
PDF File 2521545.pdf 552 kB Shaun Ewing Sept 05, 1950 00:00
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US-2521545-A // Electron discharge device // Shepherd William G. // Bell Telephone Labor Inc
PDF File 2515352.pdf 551 kB Shaun Ewing Jul 18, 1950 00:00
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US-2515352-A // Hinged brace // Masek Fred E. // Bell Telephone Labor Inc
PDF File 2406024.pdf 551 kB Shaun Ewing Aug 20, 1946 00:00
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US-2406024-A // Key tape device for enciphering telegraph signals // Mccann Thomas A. // Bell Telephone Labor Inc
PDF File 2453749.pdf 551 kB Shaun Ewing Nov 16, 1948 00:00
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US-2453749-A // Coil-winding machine // Jr. Harry A. Hilsinger, // Bell Telephone Labor Inc
PDF File 2504307.pdf 551 kB Shaun Ewing Apr 18, 1950 00:00
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US-2504307-A // Hand telephone // Dalton John Francis // Bell Telephone Labor Inc
PDF File 2515331.pdf 551 kB Shaun Ewing Jul 18, 1950 00:00
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US-2515331-A // Holding fixture for crystals // Bond Walter L. // Bell Telephone Labor Inc
PDF File 2420302.pdf 550 kB Shaun Ewing May 13, 1947 00:00
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US-2420302-A // Impulse generator // Darlington Sidney // Bell Telephone Labor Inc
PDF File 2410073.pdf 550 kB Shaun Ewing Oct 29, 1946 00:00
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US-2410073-A // Manufacture of polyesters // Howard John B. // Bell Telephone Labor Inc
PDF File 2416282.pdf 549 kB Shaun Ewing Feb 25, 1947 00:00
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US-2416282-A // Stabilization of cured polymers // Biggs Burnard S. // Bell Telephone Labor Inc
PDF File 2488325.pdf 549 kB Shaun Ewing Nov 15, 1949 00:00
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US-2488325-A // Electrical winding // Jr. Robert L. Peek, // Bell Telephone Labor Inc
PDF File 2461202.pdf 548 kB Shaun Ewing Feb 08, 1949 00:00
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US-2461202-A // Magnetic testing device // Ellwood Walter B. // Bell Telephone Labor Inc
PDF File 2413738.pdf 548 kB Shaun Ewing Jan 07, 1947 00:00
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US-2413738-A // Electron discharge device // West John W. // Bell Telephone Labor Inc
PDF File 2407298.pdf 547 kB Shaun Ewing Sept 10, 1946 00:00
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US-2407298-A // Electron discharge apparatus // Skellett Albert M. // Bell Telephone Labor Inc
PDF File 2451489.pdf 547 kB Shaun Ewing Oct 19, 1948 00:00
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US-2451489-A // Progressive selecting circuit // Jr. Amos E. Joel, // Bell Telephone Labor Inc
PDF File 2518383.pdf 546 kB Shaun Ewing Aug 08, 1950 00:00
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US-2518383-A // Multiresonant cavity resonator // Schelkunoff Sergel A. // Bell Telephone Labor Inc
PDF File 2504963.pdf 545 kB Shaun Ewing Apr 25, 1950 00:00
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US-2504963-A // Cold cathode gas tube trigger pulse circuit // Craft Clifford J. // Bell Telephone Labor Inc
PDF File 2510283.pdf 544 kB Shaun Ewing Jun 06, 1950 00:00
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US-2510283-A // Variable equalizer // Graham Robert S. // Bell Telephone Labor Inc
PDF File 2418465.pdf 544 kB Shaun Ewing Apr 08, 1947 00:00
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US-2418465-A // Drift meter // Jr. Stephen Doba, // Bell Telephone Labor Inc
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