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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2430447.pdf | 20.56 MB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430447-A // Printing telegraph automatic switching system // Branson David E. ; Kinkead Rita S. ; Krecek Joseph A. ; Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 20.56 MB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430447-A // Printing telegraph automatic switching system // Branson David E. ; Kinkead Rita S. ; Krecek Joseph A. ; Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 2510061.pdf | 15.17 MB | Shaun Ewing | Jun 06, 1950 00:00 |
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US-2510061-A // Code translator and printer control circuit // Branson David E. ; Locke George A. ; Marshall Tola A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 15.17 MB | Shaun Ewing | Jun 06, 1950 00:00 | US-2510061-A // Code translator and printer control circuit // Branson David E. ; Locke George A. ; Marshall Tola A. // Bell Telephone Labor Inc | ||||
| PDF File 2535661.pdf | 12.51 MB | Shaun Ewing | Dec 26, 1950 00:00 |
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US-2535661-A // Control circuits // Jr. Armand O. Adam, ; Avery Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 12.51 MB | Shaun Ewing | Dec 26, 1950 00:00 | US-2535661-A // Control circuits // Jr. Armand O. Adam, ; Avery Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2533484.pdf | 11.73 MB | Shaun Ewing | Dec 12, 1950 00:00 |
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US-2533484-A // Trainer for aircraft personnel // Lukaes Joseph J. ; Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 11.73 MB | Shaun Ewing | Dec 12, 1950 00:00 | US-2533484-A // Trainer for aircraft personnel // Lukaes Joseph J. ; Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2489916.pdf | 10.67 MB | Shaun Ewing | Nov 29, 1949 00:00 |
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US-2489916-A // Teletypewriter switching system // Lucek Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 10.67 MB | Shaun Ewing | Nov 29, 1949 00:00 | US-2489916-A // Teletypewriter switching system // Lucek Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2486699.pdf | 10.55 MB | Shaun Ewing | Nov 01, 1949 00:00 |
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US-2486699-A // Channel and transmitter control for telegraph systems // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 10.55 MB | Shaun Ewing | Nov 01, 1949 00:00 | US-2486699-A // Channel and transmitter control for telegraph systems // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2495683.pdf | 9.11 MB | Shaun Ewing | Jan 31, 1950 00:00 |
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US-2495683-A // Communication system // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 9.11 MB | Shaun Ewing | Jan 31, 1950 00:00 | US-2495683-A // Communication system // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2495682.pdf | 8.90 MB | Shaun Ewing | Jan 31, 1950 00:00 |
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US-2495682-A // Communication system // Bacon Walter M. ; Watson Edward F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 8.90 MB | Shaun Ewing | Jan 31, 1950 00:00 | US-2495682-A // Communication system // Bacon Walter M. ; Watson Edward F. // Bell Telephone Labor Inc | ||||
| PDF File 2392356.pdf | 7.34 MB | Shaun Ewing | Jan 08, 1946 00:00 |
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US-2392356-A // Telegraph system // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 7.34 MB | Shaun Ewing | Jan 08, 1946 00:00 | US-2392356-A // Telegraph system // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2508053.pdf | 7.00 MB | Shaun Ewing | May 16, 1950 00:00 |
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US-2508053-A // Automatic monitor for comparing designations received and transmitted by control circuits in dial switching systems // Dehn Joseph W. ; Williford Oscar H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 7.00 MB | Shaun Ewing | May 16, 1950 00:00 | US-2508053-A // Automatic monitor for comparing designations received and transmitted by control circuits in dial switching systems // Dehn Joseph W. ; Williford Oscar H. // Bell Telephone Labor Inc | ||||
| PDF File 2531615.pdf | 6.69 MB | Shaun Ewing | Nov 28, 1950 00:00 |
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US-2531615-A // Telephone system // Erwin Edson L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.69 MB | Shaun Ewing | Nov 28, 1950 00:00 | US-2531615-A // Telephone system // Erwin Edson L. // Bell Telephone Labor Inc | ||||
| PDF File 2516780.pdf | 6.21 MB | Shaun Ewing | Jul 25, 1950 00:00 |
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US-2516780-A // Trainer for enabling the giving of radio instruction // Ludwig Arthur // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.21 MB | Shaun Ewing | Jul 25, 1950 00:00 | US-2516780-A // Trainer for enabling the giving of radio instruction // Ludwig Arthur // Bell Telephone Labor Inc | ||||
| PDF File 2486809.pdf | 5.98 MB | Shaun Ewing | Nov 01, 1949 00:00 |
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US-2486809-A // Biquinary system calculator // Stibitz George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.98 MB | Shaun Ewing | Nov 01, 1949 00:00 | US-2486809-A // Biquinary system calculator // Stibitz George R. // Bell Telephone Labor Inc | ||||
| PDF File 2447533.pdf | 5.78 MB | Shaun Ewing | Aug 24, 1948 00:00 |
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US-2447533-A // Automatic toll ticketing system // Retallack John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.78 MB | Shaun Ewing | Aug 24, 1948 00:00 | US-2447533-A // Automatic toll ticketing system // Retallack John B. // Bell Telephone Labor Inc | ||||
| PDF File 2414819.pdf | 5.42 MB | Shaun Ewing | Jan 28, 1947 00:00 |
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US-2414819-A // Computer for ballistic interactions // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.42 MB | Shaun Ewing | Jan 28, 1947 00:00 | US-2414819-A // Computer for ballistic interactions // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2528101.pdf | 5.35 MB | Shaun Ewing | Oct 31, 1950 00:00 |
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US-2528101-A // Telephone system // Williams Samuel B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.35 MB | Shaun Ewing | Oct 31, 1950 00:00 | US-2528101-A // Telephone system // Williams Samuel B. // Bell Telephone Labor Inc | ||||
| PDF File 2506949.pdf | 5.19 MB | Shaun Ewing | May 09, 1950 00:00 |
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US-2506949-A // Ground trainer for training aircraft crew members // Burelbach Frederick M. ; Lukacs Joseph J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.19 MB | Shaun Ewing | May 09, 1950 00:00 | US-2506949-A // Ground trainer for training aircraft crew members // Burelbach Frederick M. ; Lukacs Joseph J. // Bell Telephone Labor Inc | ||||
| PDF File 2531637.pdf | 4.88 MB | Shaun Ewing | Nov 28, 1950 00:00 |
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US-2531637-A // Automatic call recording system for automatic telephony // Miller Charles G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.88 MB | Shaun Ewing | Nov 28, 1950 00:00 | US-2531637-A // Automatic call recording system for automatic telephony // Miller Charles G. // Bell Telephone Labor Inc | ||||
| PDF File 2519698.pdf | 4.72 MB | Shaun Ewing | Aug 22, 1950 00:00 |
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US-2519698-A // Ground trainer for aircraft personnel // Pearsall Frank M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.72 MB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519698-A // Ground trainer for aircraft personnel // Pearsall Frank M. // Bell Telephone Labor Inc | ||||
| PDF File 2426981.pdf | 4.63 MB | Shaun Ewing | Sept 09, 1947 00:00 |
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US-2426981-A // Automatic toll ticketing alarm system // Blake Foster B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.63 MB | Shaun Ewing | Sept 09, 1947 00:00 | US-2426981-A // Automatic toll ticketing alarm system // Blake Foster B. // Bell Telephone Labor Inc |
