Name Size Creator Creation Date Labels Comment  
PDF File 2018464.pdf 915 kB Shaun Ewing Oct 22, 1935 00:00
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US-2018464-A // Voice operated transmission circuit // Nebel Charles N. // Bell Telephone Labor Inc
PDF File 2018457.pdf 1.95 MB Shaun Ewing Oct 22, 1935 00:00
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US-2018457-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc
PDF File 2018374.pdf 859 kB Shaun Ewing Oct 22, 1935 00:00
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US-2018374-A // Sound recording system // Macnair Walter A. // Bell Telephone Labor Inc
PDF File 2017659.pdf 352 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017659-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc
PDF File 2017657.pdf 355 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017657-A // Continuously loaded conductor // Harris James E. // Bell Telephone Labor Inc
PDF File 2017654.pdf 1.31 MB Shaun Ewing Oct 15, 1935 00:00
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US-2017654-A // Gain control circuit // Coy Jay A. ; Romnes Haakon I. // Bell Telephone Labor Inc
PDF File 2017653.pdf 368 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017653-A // Velocity comparing system for film driving apparatus // Clarke Carole A. ; Elmer Lloyd A. // Bell Telephone Labor Inc
PDF File 2017647.pdf 276 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017647-A // Electron discharge device // Betts Walter L. // Bell Telephone Labor Inc
PDF File 2017645.pdf 822 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017645-A // Volume control system // Barney Harold L. // Bell Telephone Labor Inc
PDF File 2017644.pdf 3.02 MB Shaun Ewing Oct 15, 1935 00:00
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US-2017644-A // Service observation system // Allen Lawrence H. ; Massonneau Robert F. // Bell Telephone Labor Inc
PDF File 2017636.pdf 283 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017636-A // Stationery guiding instrumentality // Smalley Merwin N. // Bell Telephone Labor Inc
PDF File 2017633.pdf 424 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017633-A // Record display device // Mottram Elliott T. // Bell Telephone Labor Inc
PDF File 2017438.pdf 245 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017438-A // Impulse transmitter // Goff Harold W. // Bell Telephone Labor Inc
PDF File 2017130.pdf 413 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017130-A // Light valve // Perreault George E. // Bell Telephone Labor Inc
PDF File 2017092.pdf 544 kB Shaun Ewing Oct 15, 1935 00:00
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US-2017092-A // Scanning apparatus // Gray Frank // Bell Telephone Labor Inc
PDF File 2015082.pdf 1.65 MB Shaun Ewing Sept 24, 1935 00:00
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US-2015082-A // Electric wave translating system // Meyers Stanley T. // Bell Telephone Labor Inc
PDF File 2014534.pdf 433 kB Shaun Ewing Sept 17, 1935 00:00
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US-2014534-A // Alternating current generator // Lutomirski Karel // Bell Telephone Labor Inc
PDF File 2014533.pdf 369 kB Shaun Ewing Sept 17, 1935 00:00
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US-2014533-A // Regulatory device // Logan Mason A. // Bell Telephone Labor Inc
PDF File 2014528.pdf 608 kB Shaun Ewing Sept 17, 1935 00:00
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US-2014528-A // Sound recording and reproducing system // Keller Arthur C. // Bell Telephone Labor Inc
PDF File 2014525.pdf 874 kB Shaun Ewing Sept 17, 1935 00:00
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US-2014525-A // Telephone apparatus // Goodrum Charles L. // Bell Telephone Labor Inc
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