Name Size Creator Creation Date Labels Comment  
PDF File 2535400.pdf 300 kB Shaun Ewing Dec 26, 1950 00:00
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US-2535400-A // Multicontact dry reed relay // Ellwood Walter B. // Bell Telephone Labor Inc
PDF File 2489409.pdf 298 kB Shaun Ewing Nov 29, 1949 00:00
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US-2489409-A // Resistor having distortion protected connecting means // Green Charles B. ; Rulison Raymond L. // Bell Telephone Labor Inc
PDF File 2494722.pdf 297 kB Shaun Ewing Jan 17, 1950 00:00
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US-2494722-A // Resistive termination // Rosen Sidney // Bell Telephone Labor Inc
PDF File 2435604.pdf 295 kB Shaun Ewing Feb 10, 1948 00:00
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US-2435604-A // Propeller // Rorden Henry C. // Bell Telephone Labor Inc
PDF File 2489396.pdf 295 kB Shaun Ewing Nov 29, 1949 00:00
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US-2489396-A // Dictation recording system // Bowne Langford J. // Bell Telephone Labor Inc
PDF File 2530947.pdf 295 kB Shaun Ewing Nov 21, 1950 00:00
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US-2530947-A // Secondary electron emitter // Cheesman Leonard E. ; Mendenhall Hallam E. // Bell Telephone Labor Inc
PDF File 2428780.pdf 293 kB Shaun Ewing Oct 14, 1947 00:00
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US-2428780-A // Ultra high frequency electronic device // Bowen Arnold E. // Bell Telephone Labor Inc
PDF File 2418464.pdf 293 kB Shaun Ewing Apr 08, 1947 00:00
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US-2418464-A // Web controlled indicator // Corwin Thomas L. // Bell Telephone Labor Inc
PDF File 2395514.pdf 293 kB Shaun Ewing Feb 26, 1946 00:00
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US-2395514-A // Pilot wave generator // Stoller Hugh M. // Bell Telephone Labor Inc
PDF File 2505061.pdf 293 kB Shaun Ewing Apr 25, 1950 00:00
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US-2505061-A // Phase inverter circuit // Oliver Bernard M. // Bell Telephone Labor Inc
PDF File 2412968.pdf 292 kB Shaun Ewing Dec 24, 1946 00:00
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US-2412968-A // Relay // Cox Francis A. // Bell Telephone Labor Inc
PDF File 2457515.pdf 291 kB Shaun Ewing Dec 28, 1948 00:00
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US-2457515-A // Insulating coating compositions and method of making // Acker John T. // Bell Telephone Labor Inc
PDF File 2404798.pdf 291 kB Shaun Ewing Jul 30, 1946 00:00
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US-2404798-A // Electromechanical device // Harry William R. ; Romanow Frank F. // Bell Telephone Labor Inc
PDF File 2426606.pdf 289 kB Shaun Ewing Sept 02, 1947 00:00
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US-2426606-A // Automatic follow-up for motor of self-synchronous type // Goff Harold W. // Bell Telephone Labor Inc
PDF File 2413731.pdf 289 kB Shaun Ewing Jan 07, 1947 00:00
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US-2413731-A // Manufacture of electron discharge devices // Samuel Arthur L. // Bell Telephone Labor Inc
PDF File 2407251.pdf 288 kB Shaun Ewing Sept 10, 1946 00:00
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US-2407251-A // Resistor // Christensen Howard // Bell Telephone Labor Inc
PDF File 2530691.pdf 288 kB Shaun Ewing Nov 21, 1950 00:00
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US-2530691-A // Wave filter // Fox Arthur Gardner // Bell Telephone Labor Inc
PDF File 2405588.pdf 288 kB Shaun Ewing Aug 13, 1946 00:00
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US-2405588-A // Rotary driving mechanism // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 2395259.pdf 288 kB Shaun Ewing Feb 19, 1946 00:00
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US-2395259-A // Method of making dry rectifiers // Ellis William C. ; Souden Alexander G. // Bell Telephone Labor Inc
PDF File 2508511.pdf 287 kB Shaun Ewing May 23, 1950 00:00
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US-2508511-A // Resistor coated with ceramic composition // Goodman Gilbert // Bell Telephone Labor Inc
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