Name Size Creator Creation Date Labels Comment  
PDF File 1864082.pdf 1.19 MB Shaun Ewing Jun 21, 1932 00:00
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US-1864082-A // Telephone exchange system // Massonneau Robert F. // Bell Telephone Labor Inc
PDF File 1864091.pdf 372 kB Shaun Ewing Jun 21, 1932 00:00
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US-1864091-A // Method and means of testing photographic developers // Parsons Ian H. // Bell Telephone Labor Inc
PDF File 1864527.pdf 450 kB Shaun Ewing Jun 28, 1932 00:00
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US-1864527-A // Measuring apparatus // Castner Theodore G. // Bell Telephone Labor Inc
PDF File 1864547.pdf 382 kB Shaun Ewing Jun 28, 1932 00:00
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US-1864547-A // Incandescent lamp // Morton Edmund R. ; Stoller Hugh M. // Bell Telephone Labor Inc
PDF File 1864553.pdf 1.41 MB Shaun Ewing Jun 28, 1932 00:00
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US-1864553-A // Telephone system // Quass Ralph L. // Bell Telephone Labor Inc
PDF File 1864955.pdf 959 kB Shaun Ewing Jun 28, 1932 00:00
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US-1864955-A // Telephone exchange system // Stokely Ray L. // Bell Telephone Labor Inc
PDF File 1864963.pdf 242 kB Shaun Ewing Jun 28, 1932 00:00
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US-1864963-A // Electron discharge device // Vadersen Herbert // Bell Telephone Labor Inc
PDF File 1864981.pdf 673 kB Shaun Ewing Jun 28, 1932 00:00
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US-1864981-A // Circuit breaker for motors in signaling systems // Curtis Austen M. // Bell Telephone Labor Inc
PDF File 1865004.pdf 572 kB Shaun Ewing Jun 28, 1932 00:00
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US-1865004-A // Reference electrode // Haring Horace E. // Bell Telephone Labor Inc
PDF File 1865028.pdf 365 kB Shaun Ewing Jun 28, 1932 00:00
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US-1865028-A // Film editing system // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 1865165.pdf 899 kB Shaun Ewing Jun 28, 1932 00:00
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US-1865165-A // Transmission control circuits // Bjornson Bjorn G. // Bell Telephone Labor Inc
PDF File 1865516.pdf 373 kB Shaun Ewing Jul 05, 1932 00:00
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US-1865516-A // Glow discharge lamp // Gray Frank // Bell Telephone Labor Inc
PDF File 1866260.pdf 2.59 MB Shaun Ewing Jul 05, 1932 00:00
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US-1866260-A // Telephone system // King Gerald V. ; Bonomi Felix A. // Bell Telephone Laboratcries In
PDF File 1866261.pdf 863 kB Shaun Ewing Jul 05, 1932 00:00
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US-1866261-A // Signal transmission system // Lutomirski Karel // Bell Telephone Labor Inc
PDF File 1866274.pdf 433 kB Shaun Ewing Jul 05, 1932 00:00
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US-1866274-A // Resilient support // Stoller Hugh M. // Bell Telephone Labor Inc
PDF File 1866275.pdf 1.08 MB Shaun Ewing Jul 05, 1932 00:00
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US-1866275-A // Speed regulator // Stoller Hugh M. ; Morton Edmund R. // Bell Telephone Labor Inc
PDF File 1866403.pdf 400 kB Shaun Ewing Jul 05, 1932 00:00
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US-1866403-A // Phonograph recorder and reproducer arm // Elmer Lloyd A. // Bell Telephone Labor Inc
PDF File 1866533.pdf 359 kB Shaun Ewing Jul 12, 1932 00:00
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US-1866533-A // Vacuum tube mounting // Horton Joseph W. // Bell Telephone Labor Inc
PDF File 1866592.pdf 559 kB Shaun Ewing Jul 12, 1932 00:00
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US-1866592-A // Voice operated repeater circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc
PDF File 1866593.pdf 2.29 MB Shaun Ewing Jul 12, 1932 00:00
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US-1866593-A // Call distributing system // Dahl Jack F. ; Carpenter Warren W. // Bell Telephone Labor Inc
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