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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2248566.pdf | 4.62 MB | Shaun Ewing | Jul 08, 1941 00:00 |
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US-2248566-A // Telephone system // Busch Aloysius J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.62 MB | Shaun Ewing | Jul 08, 1941 00:00 | US-2248566-A // Telephone system // Busch Aloysius J. // Bell Telephone Labor Inc | ||||
| PDF File 2366733.pdf | 4.47 MB | Shaun Ewing | Jan 09, 1945 00:00 |
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US-2366733-A // Communication system // Krecek Joseph A. ; Walker Charles R. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 4.47 MB | Shaun Ewing | Jan 09, 1945 00:00 | US-2366733-A // Communication system // Krecek Joseph A. ; Walker Charles R. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2244004.pdf | 4.41 MB | Shaun Ewing | Jun 03, 1941 00:00 |
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US-2244004-A // Telephone system // Erwin Edson L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.41 MB | Shaun Ewing | Jun 03, 1941 00:00 | US-2244004-A // Telephone system // Erwin Edson L. // Bell Telephone Labor Inc | ||||
| PDF File 2300316.pdf | 4.34 MB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300316-A // Private branch exchange system // Swartzel Jr Karl D // Phyllis Raymond ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.34 MB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300316-A // Private branch exchange system // Swartzel Jr Karl D // Phyllis Raymond ; Bell Telephone Labor Inc | ||||
| PDF File 2281636.pdf | 4.30 MB | Shaun Ewing | May 05, 1942 00:00 |
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US-2281636-A // Tandem telephone system // Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.30 MB | Shaun Ewing | May 05, 1942 00:00 | US-2281636-A // Tandem telephone system // Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2238555.pdf | 4.25 MB | Shaun Ewing | Apr 15, 1941 00:00 |
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US-2238555-A // Voice operated mechanism // Dudley Homer W. // Bell Telephone Laboratoraties | |||
| Version 1 (current) | 4.25 MB | Shaun Ewing | Apr 15, 1941 00:00 | US-2238555-A // Voice operated mechanism // Dudley Homer W. // Bell Telephone Laboratoraties | ||||
| PDF File 2300829.pdf | 4.24 MB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300829-A // Calling line identification system // Gooderham John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.24 MB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300829-A // Calling line identification system // Gooderham John W. // Bell Telephone Labor Inc | ||||
| PDF File 2370712.pdf | 4.23 MB | Shaun Ewing | Mar 06, 1945 00:00 |
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US-2370712-A // Automatic toll ticketing system // Busch Aloysius J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.23 MB | Shaun Ewing | Mar 06, 1945 00:00 | US-2370712-A // Automatic toll ticketing system // Busch Aloysius J. // Bell Telephone Labor Inc | ||||
| PDF File 2347831.pdf | 4.21 MB | Shaun Ewing | May 02, 1944 00:00 |
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US-2347831-A // Communication system // Kinkead Fullerton S. ; Krecek Joseph A. ; Jr. William R. Young, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.21 MB | Shaun Ewing | May 02, 1944 00:00 | US-2347831-A // Communication system // Kinkead Fullerton S. ; Krecek Joseph A. ; Jr. William R. Young, // Bell Telephone Labor Inc | ||||
| PDF File 2345048.pdf | 4.05 MB | Shaun Ewing | Mar 28, 1944 00:00 |
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US-2345048-A // Communication system // Hubbard Francis A. ; Matthies William H. ; Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.05 MB | Shaun Ewing | Mar 28, 1944 00:00 | US-2345048-A // Communication system // Hubbard Francis A. ; Matthies William H. ; Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2228890.pdf | 4.02 MB | Shaun Ewing | Jan 14, 1941 00:00 |
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US-2228890-A // Telegraph exchange system // Singer Fred J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.02 MB | Shaun Ewing | Jan 14, 1941 00:00 | US-2228890-A // Telegraph exchange system // Singer Fred J. // Bell Telephone Labor Inc | ||||
| PDF File 2355207.pdf | 3.94 MB | Shaun Ewing | Aug 08, 1944 00:00 |
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US-2355207-A // Telephone system // Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.94 MB | Shaun Ewing | Aug 08, 1944 00:00 | US-2355207-A // Telephone system // Dehn Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2337433.pdf | 3.83 MB | Shaun Ewing | Dec 21, 1943 00:00 |
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US-2337433-A // Telephone system // Walsh John G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.83 MB | Shaun Ewing | Dec 21, 1943 00:00 | US-2337433-A // Telephone system // Walsh John G. // Bell Telephone Labor Inc | ||||
| PDF File 2375794.pdf | 3.71 MB | Shaun Ewing | May 15, 1945 00:00 |
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US-2375794-A // Telegraph switching system // Kinkead Fullerton S. ; Lang Wilmarth Y. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.71 MB | Shaun Ewing | May 15, 1945 00:00 | US-2375794-A // Telegraph switching system // Kinkead Fullerton S. ; Lang Wilmarth Y. // Bell Telephone Labor Inc | ||||
| PDF File 2373675.pdf | 3.70 MB | Shaun Ewing | Apr 17, 1945 00:00 |
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US-2373675-A // Party line printing telegraph system // Gardner Leland A. ; Richards Kenneth W. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 3.70 MB | Shaun Ewing | Apr 17, 1945 00:00 | US-2373675-A // Party line printing telegraph system // Gardner Leland A. ; Richards Kenneth W. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2358237.pdf | 3.69 MB | Shaun Ewing | Sept 12, 1944 00:00 |
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US-2358237-A // Telephone system // Lewis Benjamin F. ; Malthaner William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.69 MB | Shaun Ewing | Sept 12, 1944 00:00 | US-2358237-A // Telephone system // Lewis Benjamin F. ; Malthaner William A. // Bell Telephone Labor Inc | ||||
| PDF File 2289895.pdf | 3.66 MB | Shaun Ewing | Jul 14, 1942 00:00 |
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US-2289895-A // Telephone system // Abbott Henry H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.66 MB | Shaun Ewing | Jul 14, 1942 00:00 | US-2289895-A // Telephone system // Abbott Henry H. // Bell Telephone Labor Inc | ||||
| PDF File 2374072.pdf | 3.65 MB | Shaun Ewing | Apr 17, 1945 00:00 |
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US-2374072-A // Telephone system // Beaumont William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.65 MB | Shaun Ewing | Apr 17, 1945 00:00 | US-2374072-A // Telephone system // Beaumont William M. // Bell Telephone Labor Inc | ||||
| PDF File 2275459.pdf | 3.56 MB | Shaun Ewing | Mar 10, 1942 00:00 |
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US-2275459-A // Telephone system // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.56 MB | Shaun Ewing | Mar 10, 1942 00:00 | US-2275459-A // Telephone system // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2301015.pdf | 3.50 MB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2301015-A // Telephone system // Busch Aloysius J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.50 MB | Shaun Ewing | Nov 03, 1942 00:00 | US-2301015-A // Telephone system // Busch Aloysius J. // Bell Telephone Labor Inc |
