Name Size Creator Creation Date Labels Comment  
PDF File 2014521.pdf 470 kB Shaun Ewing Sept 17, 1935 00:00
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US-2014521-A // Wave transmission network // Casper William L. // Bell Telephone Labor Inc
PDF File 2014514.pdf 562 kB Shaun Ewing Sept 17, 1935 00:00
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US-2014514-A // Mechanical wave filter // Augustadt Herbert W. // Bell Telephone Labor Inc
PDF File 2014232.pdf 1.09 MB Shaun Ewing Sept 10, 1935 00:00
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US-2014232-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc
PDF File 2014228.pdf 465 kB Shaun Ewing Sept 10, 1935 00:00
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US-2014228-A // Variable attenuator // Coutouly Gustave C. De // Bell Telephone Labor Inc
PDF File 2014223.pdf 1.48 MB Shaun Ewing Sept 10, 1935 00:00
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US-2014223-A // Circuit for controlling transmission in signaling systems // Bjornson Bjorn G. ; Greenwood Quentin E. // Bell Telephone Labor Inc
PDF File 2014222.pdf 679 kB Shaun Ewing Sept 10, 1935 00:00
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US-2014222-A // Cutting tool // Bieling Carl A. ; Mason Warren P. // Bell Telephone Labor Inc
PDF File 2014221.pdf 977 kB Shaun Ewing Sept 10, 1935 00:00
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US-2014221-A // Telephone system // Baumfalk John // Bell Telephone Labor Inc
PDF File 2014215.pdf 385 kB Shaun Ewing Sept 10, 1935 00:00
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US-2014215-A // Signaling system // Vroom Edward // Bell Telephone Labor Inc
PDF File 2013154.pdf 385 kB Shaun Ewing Sept 03, 1935 00:00
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US-2013154-A // Translating circuit // Jensen Axel G. // Bell Telephone Labor Inc
PDF File 2013140.pdf 456 kB Shaun Ewing Sept 03, 1935 00:00
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US-2013140-A // Translating circuit // Friis Harald T. // Bell Telephone Labor Inc
PDF File 2012810.pdf 1.56 MB Shaun Ewing Aug 27, 1935 00:00
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US-2012810-A // Transmission system // Jr. Stephen Doba, // Bell Telephone Labor Inc
PDF File 2011932.pdf 872 kB Shaun Ewing Aug 20, 1935 00:00
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US-2011932-A // Projection of motion pictures // Ives Herbert E. // Bell Telephone Labor Inc
PDF File 2011566.pdf 860 kB Shaun Ewing Aug 20, 1935 00:00
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US-2011566-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc
PDF File 2010665.pdf 417 kB Shaun Ewing Aug 06, 1935 00:00
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US-2010665-A // Frequency changing device // Hartley Ralph V. L. // Bell Telephone Labor Inc
PDF File 2010644.pdf 1.52 MB Shaun Ewing Aug 06, 1935 00:00
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US-2010644-A // Signal transmission line // Rienstra Albert R. // Bell Telephone Labor Inc
PDF File 2010543.pdf 622 kB Shaun Ewing Aug 06, 1935 00:00
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US-2010543-A // Electrooptical system // Gray Frank // Bell Telephone Labor Inc
PDF File 2009085.pdf 478 kB Shaun Ewing Jul 23, 1935 00:00
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US-2009085-A // Coin receptacle cover // Jackson John K. // Bell Telephone Labor Inc
PDF File 2009076.pdf 346 kB Shaun Ewing Jul 23, 1935 00:00
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US-2009076-A // Telephone system // Ulrich Horace W. // Bell Telephone Labor Inc
PDF File 2009074.pdf 936 kB Shaun Ewing Jul 23, 1935 00:00
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US-2009074-A // Signal transmission system // Smith Leo F. // Bell Telephone Labor Inc
PDF File 2008874.pdf 1.55 MB Shaun Ewing Jul 23, 1935 00:00
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US-2008874-A // Photo-electric tube // Olpin Albert R. // Bell Telephone Labor Inc
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