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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2097467.pdf | 1.05 MB | Shaun Ewing | Nov 02, 1937 00:00 |
|
US-2097467-A // Photoelectric tube // Jr. Charles H. Prescott, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Nov 02, 1937 00:00 | US-2097467-A // Photoelectric tube // Jr. Charles H. Prescott, // Bell Telephone Labor Inc | ||||
| PDF File 2092474.pdf | 1.05 MB | Shaun Ewing | Sept 07, 1937 00:00 |
|
US-2092474-A // Radio telephone monitoring system // Rodwin George // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Sept 07, 1937 00:00 | US-2092474-A // Radio telephone monitoring system // Rodwin George // Bell Telephone Labor Inc | ||||
| PDF File 1804766.pdf | 1.05 MB | Shaun Ewing | May 12, 1931 00:00 |
|
US-1804766-A // Telephone system // Hague Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | May 12, 1931 00:00 | US-1804766-A // Telephone system // Hague Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2153329.pdf | 1.05 MB | Shaun Ewing | Apr 04, 1939 00:00 |
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US-2153329-A // Carrier line power supply // Jutson Robert P. ; Larew Joel L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Apr 04, 1939 00:00 | US-2153329-A // Carrier line power supply // Jutson Robert P. ; Larew Joel L. // Bell Telephone Labor Inc | ||||
| PDF File 2088311.pdf | 1.05 MB | Shaun Ewing | Jul 27, 1937 00:00 |
|
US-2088311-A // Telephone ringing system // Stacy Leland J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Jul 27, 1937 00:00 | US-2088311-A // Telephone ringing system // Stacy Leland J. // Bell Telephone Labor Inc | ||||
| PDF File 1788560.pdf | 1.05 MB | Shaun Ewing | Jan 13, 1931 00:00 |
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US-1788560-A // Wave generating and modulating system // Black Harold Stephen // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Jan 13, 1931 00:00 | US-1788560-A // Wave generating and modulating system // Black Harold Stephen // Bell Telephone Labor Inc | ||||
| PDF File 2127201.pdf | 1.05 MB | Shaun Ewing | Aug 16, 1938 00:00 |
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US-2127201-A // Wave transmission network // Bobis Stephen // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Aug 16, 1938 00:00 | US-2127201-A // Wave transmission network // Bobis Stephen // Bell Telephone Labor Inc | ||||
| PDF File 2006472.pdf | 1.05 MB | Shaun Ewing | Jul 02, 1935 00:00 |
|
US-2006472-A // Testing system // Miller Ohmer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Jul 02, 1935 00:00 | US-2006472-A // Testing system // Miller Ohmer R. // Bell Telephone Labor Inc | ||||
| PDF File 1979072.pdf | 1.05 MB | Shaun Ewing | Oct 30, 1934 00:00 |
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US-1979072-A // Telephone booth // Kuntz Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Oct 30, 1934 00:00 | US-1979072-A // Telephone booth // Kuntz Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 1961385.pdf | 1.04 MB | Shaun Ewing | Jun 05, 1934 00:00 |
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US-1961385-A // Signaling system // O'Neill Henry W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Jun 05, 1934 00:00 | US-1961385-A // Signaling system // O'Neill Henry W. // Bell Telephone Labor Inc | ||||
| PDF File 1881481.pdf | 1.04 MB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881481-A // Duplex telegraph system // Gilbert John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881481-A // Duplex telegraph system // Gilbert John J. // Bell Telephone Labor Inc | ||||
| PDF File 2075956.pdf | 1.04 MB | Shaun Ewing | Apr 06, 1937 00:00 |
|
US-2075956-A // Electric wave translating system // Payne Edward B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Apr 06, 1937 00:00 | US-2075956-A // Electric wave translating system // Payne Edward B. // Bell Telephone Labor Inc | ||||
| PDF File 2096793.pdf | 1.04 MB | Shaun Ewing | Oct 26, 1937 00:00 |
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US-2096793-A // Transmission control circuits in wave transmission systems // Jr. Stephen Doba, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Oct 26, 1937 00:00 | US-2096793-A // Transmission control circuits in wave transmission systems // Jr. Stephen Doba, // Bell Telephone Labor Inc | ||||
| PDF File 2021308.pdf | 1.04 MB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021308-A // Coin detection system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021308-A // Coin detection system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 1982782.pdf | 1.04 MB | Shaun Ewing | Dec 04, 1934 00:00 |
|
US-1982782-A // Gas-filled tube circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Dec 04, 1934 00:00 | US-1982782-A // Gas-filled tube circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2126363.pdf | 1.04 MB | Shaun Ewing | Aug 09, 1938 00:00 |
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US-2126363-A // Dielectric material // White Addison H. ; Yager William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126363-A // Dielectric material // White Addison H. ; Yager William A. // Bell Telephone Labor Inc | ||||
| PDF File 2103476.pdf | 1.04 MB | Shaun Ewing | Dec 28, 1937 00:00 |
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US-2103476-A // Telegraph test board circuit // Lucek Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Dec 28, 1937 00:00 | US-2103476-A // Telegraph test board circuit // Lucek Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2216532.pdf | 1.04 MB | Shaun Ewing | Oct 01, 1940 00:00 |
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US-2216532-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Oct 01, 1940 00:00 | US-2216532-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 2076248.pdf | 1.03 MB | Shaun Ewing | Apr 06, 1937 00:00 |
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US-2076248-A // Wave filter // Norton Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Apr 06, 1937 00:00 | US-2076248-A // Wave filter // Norton Edward L. // Bell Telephone Labor Inc | ||||
| PDF File 2172832.pdf | 1.03 MB | Shaun Ewing | Sept 12, 1939 00:00 |
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US-2172832-A // Carrier current transmission system // Caruthers Robert S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Sept 12, 1939 00:00 | US-2172832-A // Carrier current transmission system // Caruthers Robert S. // Bell Telephone Labor Inc |
