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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1896065.pdf | 651 kB | Shaun Ewing | Feb 07, 1933 00:00 |
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US-1896065-A // Selective circuit for superheterodyne radioreceivers // Budenbom Horace T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 651 kB | Shaun Ewing | Feb 07, 1933 00:00 | US-1896065-A // Selective circuit for superheterodyne radioreceivers // Budenbom Horace T. // Bell Telephone Labor Inc | ||||
| PDF File 1965439.pdf | 650 kB | Shaun Ewing | Jul 03, 1934 00:00 |
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US-1965439-A // Regulated rectifier circuit // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 650 kB | Shaun Ewing | Jul 03, 1934 00:00 | US-1965439-A // Regulated rectifier circuit // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2159597.pdf | 650 kB | Shaun Ewing | May 23, 1939 00:00 |
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US-2159597-A // Frequency conversion circuits // Miller Ralph L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 650 kB | Shaun Ewing | May 23, 1939 00:00 | US-2159597-A // Frequency conversion circuits // Miller Ralph L. // Bell Telephone Labor Inc | ||||
| PDF File 1857830.pdf | 650 kB | Shaun Ewing | May 10, 1932 00:00 |
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US-1857830-A // Transmission circuit // Whittle Horace // Bell Telephone Labor Inc | |||
| Version 1 (current) | 650 kB | Shaun Ewing | May 10, 1932 00:00 | US-1857830-A // Transmission circuit // Whittle Horace // Bell Telephone Labor Inc | ||||
| PDF File 2154608.pdf | 650 kB | Shaun Ewing | Apr 18, 1939 00:00 |
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US-2154608-A // Regenerative telegraph repeater // Dowd Andrew D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 650 kB | Shaun Ewing | Apr 18, 1939 00:00 | US-2154608-A // Regenerative telegraph repeater // Dowd Andrew D. // Bell Telephone Labor Inc | ||||
| PDF File 2166929.pdf | 649 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2166929-A // Electric wave amplifying system // Caruthers Robert S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 649 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2166929-A // Electric wave amplifying system // Caruthers Robert S. // Bell Telephone Labor Inc | ||||
| PDF File 1868366.pdf | 649 kB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868366-A // Driving mechanism // Pfannenstiehl Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 649 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868366-A // Driving mechanism // Pfannenstiehl Harry // Bell Telephone Labor Inc | ||||
| PDF File 2114478.pdf | 649 kB | Shaun Ewing | Apr 19, 1938 00:00 |
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US-2114478-A // Oscillation generator // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 649 kB | Shaun Ewing | Apr 19, 1938 00:00 | US-2114478-A // Oscillation generator // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2063308.pdf | 649 kB | Shaun Ewing | Dec 08, 1936 00:00 |
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US-2063308-A // Call transmitter // Goff Harold W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 649 kB | Shaun Ewing | Dec 08, 1936 00:00 | US-2063308-A // Call transmitter // Goff Harold W. // Bell Telephone Labor Inc | ||||
| PDF File 2037187.pdf | 648 kB | Shaun Ewing | Apr 14, 1936 00:00 |
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US-2037187-A // Sound translating device // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 648 kB | Shaun Ewing | Apr 14, 1936 00:00 | US-2037187-A // Sound translating device // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 2084105.pdf | 648 kB | Shaun Ewing | Jun 15, 1937 00:00 |
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US-2084105-A // Telephone control system // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 648 kB | Shaun Ewing | Jun 15, 1937 00:00 | US-2084105-A // Telephone control system // Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2094039.pdf | 648 kB | Shaun Ewing | Sept 28, 1937 00:00 |
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US-2094039-A // Telautograph // Kinsley Thomas G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 648 kB | Shaun Ewing | Sept 28, 1937 00:00 | US-2094039-A // Telautograph // Kinsley Thomas G. // Bell Telephone Labor Inc | ||||
| PDF File 1808538.pdf | 648 kB | Shaun Ewing | Jun 02, 1931 00:00 |
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US-1808538-A // Transmission regulation // Gabriel John C. ; Hubbard Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 648 kB | Shaun Ewing | Jun 02, 1931 00:00 | US-1808538-A // Transmission regulation // Gabriel John C. ; Hubbard Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 2169821.pdf | 647 kB | Shaun Ewing | Aug 15, 1939 00:00 |
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US-2169821-A // Electrical switching and control system // Swart Leland K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 647 kB | Shaun Ewing | Aug 15, 1939 00:00 | US-2169821-A // Electrical switching and control system // Swart Leland K. // Bell Telephone Labor Inc | ||||
| PDF File 2077156.pdf | 646 kB | Shaun Ewing | Apr 13, 1937 00:00 |
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US-2077156-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 646 kB | Shaun Ewing | Apr 13, 1937 00:00 | US-2077156-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1901929.pdf | 646 kB | Shaun Ewing | Mar 21, 1933 00:00 |
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US-1901929-A // Voltage limiting system // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 646 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1901929-A // Voltage limiting system // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1896767.pdf | 645 kB | Shaun Ewing | Feb 07, 1933 00:00 |
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US-1896767-A // Signaling system // Buckley Oliver E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 645 kB | Shaun Ewing | Feb 07, 1933 00:00 | US-1896767-A // Signaling system // Buckley Oliver E. // Bell Telephone Labor Inc | ||||
| PDF File 2213941.pdf | 645 kB | Shaun Ewing | Sept 03, 1940 00:00 |
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US-2213941-A // Multiplex signaling by phase discrimination // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 645 kB | Shaun Ewing | Sept 03, 1940 00:00 | US-2213941-A // Multiplex signaling by phase discrimination // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2153051.pdf | 645 kB | Shaun Ewing | Apr 04, 1939 00:00 |
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US-2153051-A // Electric wave receiver // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 645 kB | Shaun Ewing | Apr 04, 1939 00:00 | US-2153051-A // Electric wave receiver // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2149355.pdf | 644 kB | Shaun Ewing | Mar 07, 1939 00:00 |
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US-2149355-A // Selective system // Lundstrom Alexis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 644 kB | Shaun Ewing | Mar 07, 1939 00:00 | US-2149355-A // Selective system // Lundstrom Alexis A. // Bell Telephone Labor Inc |
