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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2377890.pdf | 2.83 MB | Shaun Ewing | Jun 12, 1945 00:00 |
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US-2377890-A // Selective telegraph system // Lang Wilmarth Y. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.83 MB | Shaun Ewing | Jun 12, 1945 00:00 | US-2377890-A // Selective telegraph system // Lang Wilmarth Y. // Bell Telephone Labor Inc | ||||
| PDF File 2351551.pdf | 2.83 MB | Shaun Ewing | Jun 13, 1944 00:00 |
|
US-2351551-A // Telephone system // Seibel Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.83 MB | Shaun Ewing | Jun 13, 1944 00:00 | US-2351551-A // Telephone system // Seibel Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 2321758.pdf | 2.82 MB | Shaun Ewing | Jun 15, 1943 00:00 |
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US-2321758-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.82 MB | Shaun Ewing | Jun 15, 1943 00:00 | US-2321758-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc | ||||
| PDF File 2370685.pdf | 2.82 MB | Shaun Ewing | Mar 06, 1945 00:00 |
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US-2370685-A // Electrical timing circuit // Rea Wilton T. ; Wilkerson Jefferson R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.82 MB | Shaun Ewing | Mar 06, 1945 00:00 | US-2370685-A // Electrical timing circuit // Rea Wilton T. ; Wilkerson Jefferson R. // Bell Telephone Labor Inc | ||||
| PDF File 2388488.pdf | 2.81 MB | Shaun Ewing | Nov 06, 1945 00:00 |
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US-2388488-A // Telephone system // Malthaner William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.81 MB | Shaun Ewing | Nov 06, 1945 00:00 | US-2388488-A // Telephone system // Malthaner William A. // Bell Telephone Labor Inc | ||||
| PDF File 2259101.pdf | 2.80 MB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2259101-A // Telephone system // Davis Richard C. ; Newsom James B. ; Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.80 MB | Shaun Ewing | Oct 14, 1941 00:00 | US-2259101-A // Telephone system // Davis Richard C. ; Newsom James B. ; Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2388347.pdf | 2.78 MB | Shaun Ewing | Nov 06, 1945 00:00 |
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US-2388347-A // Signaling system // Staples Elliot M. ; Taylor Edmund R. ; Michael Henry J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.78 MB | Shaun Ewing | Nov 06, 1945 00:00 | US-2388347-A // Signaling system // Staples Elliot M. ; Taylor Edmund R. ; Michael Henry J. // Bell Telephone Labor Inc | ||||
| PDF File 2365816.pdf | 2.77 MB | Shaun Ewing | Dec 26, 1944 00:00 |
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US-2365816-A // Supervisory system for telegraph circuits // Hearn Richard B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.77 MB | Shaun Ewing | Dec 26, 1944 00:00 | US-2365816-A // Supervisory system for telegraph circuits // Hearn Richard B. // Bell Telephone Labor Inc | ||||
| PDF File 2327436.pdf | 2.77 MB | Shaun Ewing | Aug 24, 1943 00:00 |
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US-2327436-A // Telephone system // Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.77 MB | Shaun Ewing | Aug 24, 1943 00:00 | US-2327436-A // Telephone system // Koechling Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2338216.pdf | 2.76 MB | Shaun Ewing | Jan 04, 1944 00:00 |
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US-2338216-A // Signaling system // Vaughan Henry E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.76 MB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338216-A // Signaling system // Vaughan Henry E. // Bell Telephone Labor Inc | ||||
| PDF File 2283410.pdf | 2.76 MB | Shaun Ewing | May 19, 1942 00:00 |
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US-2283410-A // Teletypewriter exchange system // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.76 MB | Shaun Ewing | May 19, 1942 00:00 | US-2283410-A // Teletypewriter exchange system // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2342318.pdf | 2.68 MB | Shaun Ewing | Feb 22, 1944 00:00 |
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US-2342318-A // Electrical timing circuit // Wilkerson Jefferson R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.68 MB | Shaun Ewing | Feb 22, 1944 00:00 | US-2342318-A // Electrical timing circuit // Wilkerson Jefferson R. // Bell Telephone Labor Inc | ||||
| PDF File 2338752.pdf | 2.67 MB | Shaun Ewing | Jan 11, 1944 00:00 |
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US-2338752-A // Telephone system // Baumfalk John // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.67 MB | Shaun Ewing | Jan 11, 1944 00:00 | US-2338752-A // Telephone system // Baumfalk John // Bell Telephone Labor Inc | ||||
| PDF File 2241016.pdf | 2.63 MB | Shaun Ewing | May 06, 1941 00:00 |
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US-2241016-A // Telephone system // King Gerald V. ; Korn Franklin A. ; Mcalpine Roderick K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.63 MB | Shaun Ewing | May 06, 1941 00:00 | US-2241016-A // Telephone system // King Gerald V. ; Korn Franklin A. ; Mcalpine Roderick K. // Bell Telephone Labor Inc | ||||
| PDF File 2306435.pdf | 2.63 MB | Shaun Ewing | Dec 29, 1942 00:00 |
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US-2306435-A // Frequency compression // Graham Robert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.63 MB | Shaun Ewing | Dec 29, 1942 00:00 | US-2306435-A // Frequency compression // Graham Robert E. // Bell Telephone Labor Inc | ||||
| PDF File 2328999.pdf | 2.62 MB | Shaun Ewing | Sept 07, 1943 00:00 |
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US-2328999-A // Teletypewriter test distributor // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.62 MB | Shaun Ewing | Sept 07, 1943 00:00 | US-2328999-A // Teletypewriter test distributor // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2332343.pdf | 2.60 MB | Shaun Ewing | Oct 19, 1943 00:00 |
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US-2332343-A // Ceramic material // Rigterink Merle D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.60 MB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332343-A // Ceramic material // Rigterink Merle D. // Bell Telephone Labor Inc | ||||
| PDF File 2387558.pdf | 2.57 MB | Shaun Ewing | Oct 23, 1945 00:00 |
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US-2387558-A // Teletypewriter testing system // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.57 MB | Shaun Ewing | Oct 23, 1945 00:00 | US-2387558-A // Teletypewriter testing system // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2379069.pdf | 2.57 MB | Shaun Ewing | Jun 26, 1945 00:00 |
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US-2379069-A // Automatic line testing and switching circuits // Dysart Birney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.57 MB | Shaun Ewing | Jun 26, 1945 00:00 | US-2379069-A // Automatic line testing and switching circuits // Dysart Birney // Bell Telephone Labor Inc | ||||
| PDF File 2357576.pdf | 2.56 MB | Shaun Ewing | Sept 05, 1944 00:00 |
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US-2357576-A // Pay station telephone system // Brooks Chester E. ; Flint Erlon W. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.56 MB | Shaun Ewing | Sept 05, 1944 00:00 | US-2357576-A // Pay station telephone system // Brooks Chester E. ; Flint Erlon W. // American Telephone & Telegraph ; Bell Telephone Labor Inc |
