Name Size Creator Creation Date Labels Comment  
PDF File 2093847.pdf 1.71 MB Shaun Ewing Sept 21, 1937 00:00
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US-2093847-A // Radio telephone monitoring system // Pruden Harold M. // Bell Telephone Labor Inc
PDF File 2093679.pdf 544 kB Shaun Ewing Sept 21, 1937 00:00
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US-2093679-A // Telephone booth // Kuntz Frank A. // Bell Telephone Labor Inc
PDF File 2093674.pdf 558 kB Shaun Ewing Sept 21, 1937 00:00
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US-2093674-A // Light valve // Harley John B. // Bell Telephone Labor Inc
PDF File 2093670.pdf 1.02 MB Shaun Ewing Sept 21, 1937 00:00
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US-2093670-A // Control circuits // Gibson Earl S. // Bell Telephone Labor Inc
PDF File 2093669.pdf 354 kB Shaun Ewing Sept 21, 1937 00:00
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US-2093669-A // Vent plug for storage batteries // Forster Frank T. // Bell Telephone Labor Inc
PDF File 2093667.pdf 1.18 MB Shaun Ewing Sept 21, 1937 00:00
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US-2093667-A // Pad control system // Jr. Paul Winsor, // Bell Telephone Labor Inc
PDF File 2093664.pdf 343 kB Shaun Ewing Sept 21, 1937 00:00
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US-2093664-A // Acoustic device // Swickard Andrew E. // Bell Telephone Labor Inc
PDF File 2093661.pdf 128 kB Shaun Ewing Sept 21, 1937 00:00
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US-2093661-A // Asymmetrical conductor // Smith George O. // Bell Telephone Labor Inc
PDF File 2093117.pdf 18.00 MB Shaun Ewing Sept 14, 1937 00:00
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US-2093117-A // Telephone system // Carpenter Warren W. // Bell Telephone Labor Inc
PDF File 2093084.pdf 1.27 MB Shaun Ewing Sept 14, 1937 00:00
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US-2093084-A // System for giving teletypewriter service over telephone lines // Krecek Joseph A. // Bell Telephone Labor Inc
PDF File 2093080.pdf 1.55 MB Shaun Ewing Sept 14, 1937 00:00
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US-2093080-A // Teletypewriter system // Hysko John L. ; Large Wayne V. K. ; Munro Charles C. // Bell Telephone Labor Inc
PDF File 2093078.pdf 243 kB Shaun Ewing Sept 14, 1937 00:00
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US-2093078-A // Electric space discharge tube system // Heising Raymond A. // Bell Telephone Labor Inc
PDF File 2092515.pdf 737 kB Shaun Ewing Sept 07, 1937 00:00
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US-2092515-A // Insulator // Jervey William T. // Bell Telephone Labor Inc
PDF File 2092513.pdf 1.35 MB Shaun Ewing Sept 07, 1937 00:00
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US-2092513-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc
PDF File 2092509.pdf 495 kB Shaun Ewing Sept 07, 1937 00:00
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US-2092509-A // Telephone booth // Hampton Leon N. ; Smith Albert K. // Bell Telephone Labor Inc
PDF File 2092495.pdf 2.16 MB Shaun Ewing Sept 07, 1937 00:00
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US-2092495-A // Telephone system // Baumfalk John // Bell Telephone Labor Inc
PDF File 2092493.pdf 1.57 MB Shaun Ewing Sept 07, 1937 00:00
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US-2092493-A // Automatic stock quotation system // Allen Lawrence H. ; Gooderham John W. // Bell Telephone Labor Inc
PDF File 2092485.pdf 640 kB Shaun Ewing Sept 07, 1937 00:00
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US-2092485-A // Prepayment telephone system // Ulrich Horace W. // Bell Telephone Labor Inc
PDF File 2092474.pdf 1.05 MB Shaun Ewing Sept 07, 1937 00:00
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US-2092474-A // Radio telephone monitoring system // Rodwin George // Bell Telephone Labor Inc
PDF File 2092465.pdf 2.05 MB Shaun Ewing Sept 07, 1937 00:00
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US-2092465-A // Telephone system // Matthies William H. // Bell Telephone Labor Inc
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