Name Size Creator Creation Date Labels Comment  
PDF File 2087326.pdf 1.85 MB Shaun Ewing Jul 20, 1937 00:00
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US-2087326-A // Standard frequency system // Marrison Warren A. // Bell Telephone Labor Inc
PDF File 2087327.pdf 644 kB Shaun Ewing Jul 20, 1937 00:00
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US-2087327-A // Electron discharge device // Mcnally James O. // Bell Telephone Labor Inc
PDF File 2088292.pdf 606 kB Shaun Ewing Jul 27, 1937 00:00
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US-2088292-A // Electrical communication system // Eglin James M. // Bell Telephone Labor Inc
PDF File 2088297.pdf 406 kB Shaun Ewing Jul 27, 1937 00:00
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US-2088297-A // Harmonic analyzer // Jr. Walter Koenig, // Bell Telephone Labor Inc
PDF File 2088305.pdf 443 kB Shaun Ewing Jul 27, 1937 00:00
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US-2088305-A // Telephone system // Myers Oscar // Bell Telephone Labor Inc
PDF File 2088309.pdf 491 kB Shaun Ewing Jul 27, 1937 00:00
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US-2088309-A // Coin collector apparatus // Shann Oscar A. // Bell Telephone Labor Inc
PDF File 2088311.pdf 1.05 MB Shaun Ewing Jul 27, 1937 00:00
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US-2088311-A // Telephone ringing system // Stacy Leland J. // Bell Telephone Labor Inc
PDF File 2088314.pdf 412 kB Shaun Ewing Jul 27, 1937 00:00
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US-2088314-A // Composite set // Whittle Horace // Bell Telephone Labor Inc
PDF File 2088317.pdf 1.28 MB Shaun Ewing Jul 27, 1937 00:00
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US-2088317-A // Electric discharge tube testing and measuring circuit // Bachelet Albert E. // Bell Telephone Labor Inc
PDF File 2088318.pdf 213 kB Shaun Ewing Jul 27, 1937 00:00
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US-2088318-A // Relay circuit // Busch Aloysius J. // Bell Telephone Labor Inc
PDF File 2088733.pdf 2.17 MB Shaun Ewing Aug 03, 1937 00:00
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US-2088733-A // Printing telegraph system // White Charles // Bell Telephone Labor Inc
PDF File 2088749.pdf 843 kB Shaun Ewing Aug 03, 1937 00:00
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US-2088749-A // Reception of guided waves // King Archic P. // Bell Telephone Labor Inc
PDF File 2088750.pdf 1.45 MB Shaun Ewing Aug 03, 1937 00:00
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US-2088750-A // Answer-back device for machine switching printing telegraph exchange systems // Kinkead Fullerton S. // Bell Telephone Labor Inc
PDF File 2089179.pdf 697 kB Shaun Ewing Aug 10, 1937 00:00
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US-2089179-A // Coaxial transmission system // Black Knox C. // Bell Telephone Labor Inc
PDF File 2089218.pdf 215 kB Shaun Ewing Aug 10, 1937 00:00
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US-2089218-A // Glow discharge device // Mendenhall Hallam E. // Bell Telephone Labor Inc
PDF File 2089264.pdf 299 kB Shaun Ewing Aug 10, 1937 00:00
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US-2089264-A // Electrical terminal // Ingmanson John H. // Bell Telephone Labor Inc
PDF File 2089320.pdf 402 kB Shaun Ewing Aug 10, 1937 00:00
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US-2089320-A // Electromagnetic switching device // Worth John B. // Bell Telephone Labor Inc
PDF File 2089338.pdf 1.74 MB Shaun Ewing Aug 10, 1937 00:00
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US-2089338-A // Telephone system // Carpenter Warren W. ; Hague Alfred E. // Bell Telephone Labor Inc
PDF File 2089346.pdf 754 kB Shaun Ewing Aug 10, 1937 00:00
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US-2089346-A // Transmission circuit // Jr. Stephen Doba, // Bell Telephone Labor Inc
PDF File 2089386.pdf 335 kB Shaun Ewing Aug 10, 1937 00:00
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US-2089386-A // Support for hand telephones // Lum George R. // Bell Telephone Labor Inc
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