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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2401518.pdf | 1.60 MB | Shaun Ewing | Jun 04, 1946 00:00 |
|
US-2401518-A // Power-driven wire reel mechanism // Smith Temple C. ; Brown Howard D. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Jun 04, 1946 00:00 | US-2401518-A // Power-driven wire reel mechanism // Smith Temple C. ; Brown Howard D. // American Telephone & Telegraph | ||||
| PDF File 2401507.pdf | 1.91 MB | Shaun Ewing | Jun 04, 1946 00:00 |
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US-2401507-A // Secrecy cipher system // Pierce Ralph E. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.91 MB | Shaun Ewing | Jun 04, 1946 00:00 | US-2401507-A // Secrecy cipher system // Pierce Ralph E. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 2401494.pdf | 1.12 MB | Shaun Ewing | Jun 04, 1946 00:00 |
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US-2401494-A // Secret signaling system // Martin Wade B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Jun 04, 1946 00:00 | US-2401494-A // Secret signaling system // Martin Wade B. // American Telephone & Telegraph | ||||
| PDF File 2401477.pdf | 794 kB | Shaun Ewing | Jun 04, 1946 00:00 |
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US-2401477-A // Teletypewriter secrecy system // Greene Monte Lee // American Telephone & Telegraph | |||
| Version 1 (current) | 794 kB | Shaun Ewing | Jun 04, 1946 00:00 | US-2401477-A // Teletypewriter secrecy system // Greene Monte Lee // American Telephone & Telegraph | ||||
| PDF File 2401475.pdf | 1.26 MB | Shaun Ewing | Jun 04, 1946 00:00 |
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US-2401475-A // Teletypewriter secrecy system // Gammell Ernest Osmond // American Telephone & Telegraph | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Jun 04, 1946 00:00 | US-2401475-A // Teletypewriter secrecy system // Gammell Ernest Osmond // American Telephone & Telegraph | ||||
| PDF File 2401474.pdf | 1.84 MB | Shaun Ewing | Jun 04, 1946 00:00 |
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US-2401474-A // Teletypewriter secrecy system // Gammell Ernest Osmond // American Telephone & Telegraph | |||
| Version 1 (current) | 1.84 MB | Shaun Ewing | Jun 04, 1946 00:00 | US-2401474-A // Teletypewriter secrecy system // Gammell Ernest Osmond // American Telephone & Telegraph | ||||
| PDF File 2401464.pdf | 1020 kB | Shaun Ewing | Jun 04, 1946 00:00 |
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US-2401464-A // Privacy system // Corderman Roy Clinton // American Telephone & Telegraph | |||
| Version 1 (current) | 1020 kB | Shaun Ewing | Jun 04, 1946 00:00 | US-2401464-A // Privacy system // Corderman Roy Clinton // American Telephone & Telegraph | ||||
| PDF File 2401454.pdf | 1.21 MB | Shaun Ewing | Jun 04, 1946 00:00 |
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US-2401454-A // Teletypewriter secrecy system // Bemis Edwin Walter // American Telephone & Telegraph | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Jun 04, 1946 00:00 | US-2401454-A // Teletypewriter secrecy system // Bemis Edwin Walter // American Telephone & Telegraph | ||||
| PDF File 2397887.pdf | 2.23 MB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397887-A // Automatic alternate routing of interoffice calls // Schroeppel Harold H. // American Telephone & Telegraph | |||
| Version 1 (current) | 2.23 MB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397887-A // Automatic alternate routing of interoffice calls // Schroeppel Harold H. // American Telephone & Telegraph | ||||
| PDF File 2397885.pdf | 609 kB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397885-A // Frequency diversity telegraph system // Rhodes Harold Anson // American Telephone & Telegraph | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397885-A // Frequency diversity telegraph system // Rhodes Harold Anson // American Telephone & Telegraph | ||||
| PDF File 2397884.pdf | 618 kB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397884-A // Frequency diversity telegraph system // Rhodes Harold Anson // American Telephone & Telegraph | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397884-A // Frequency diversity telegraph system // Rhodes Harold Anson // American Telephone & Telegraph | ||||
| PDF File 2397881.pdf | 1.69 MB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397881-A // Signaling system // Nitterauer Franklin David // American Telephone & Telegraph | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397881-A // Signaling system // Nitterauer Franklin David // American Telephone & Telegraph | ||||
| PDF File 2397848.pdf | 1.01 MB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397848-A // Teletypewriter control system // Eggensperger Arlo Raleigh // American Telephone & Telegraph | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397848-A // Teletypewriter control system // Eggensperger Arlo Raleigh // American Telephone & Telegraph | ||||
| PDF File 2397837.pdf | 988 kB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397837-A // Apparatus for testing telephone lines // Cannon Frank Jess ; Goodwin George Ellis // American Telephone & Telegraph | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397837-A // Apparatus for testing telephone lines // Cannon Frank Jess ; Goodwin George Ellis // American Telephone & Telegraph | ||||
| PDF File 2397830.pdf | 730 kB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397830-A // Harmonic control system // Bailey Austin // American Telephone & Telegraph | |||
| Version 1 (current) | 730 kB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397830-A // Harmonic control system // Bailey Austin // American Telephone & Telegraph | ||||
| PDF File 2397829.pdf | 1.91 MB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397829-A // Telephone system // Avery Robert Campbell // American Telephone & Telegraph | |||
| Version 1 (current) | 1.91 MB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397829-A // Telephone system // Avery Robert Campbell // American Telephone & Telegraph | ||||
| PDF File 2393236.pdf | 2.36 MB | Shaun Ewing | Jan 22, 1946 00:00 |
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US-2393236-A // Subscribers' line testing system // Corey Horace Edmund ; Wright Frank // American Telephone & Telegraph | |||
| Version 1 (current) | 2.36 MB | Shaun Ewing | Jan 22, 1946 00:00 | US-2393236-A // Subscribers' line testing system // Corey Horace Edmund ; Wright Frank // American Telephone & Telegraph | ||||
| PDF File 2389082.pdf | 469 kB | Shaun Ewing | Nov 13, 1945 00:00 |
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US-2389082-A // Code calling signal // Rhoads Charles Stanley // American Telephone & Telegraph | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Nov 13, 1945 00:00 | US-2389082-A // Code calling signal // Rhoads Charles Stanley // American Telephone & Telegraph | ||||
| PDF File 2389076.pdf | 520 kB | Shaun Ewing | Nov 13, 1945 00:00 |
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US-2389076-A // Testing arrangement for trunks to community dial offices // Perry Anthony T. // American Telephone & Telegraph | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Nov 13, 1945 00:00 | US-2389076-A // Testing arrangement for trunks to community dial offices // Perry Anthony T. // American Telephone & Telegraph | ||||
| PDF File 2388136.pdf | 1.88 MB | Shaun Ewing | Oct 30, 1945 00:00 |
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US-2388136-A // Party-line printing telegraph system // Gardner Leland A. ; Richards Kenneth W. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 1.88 MB | Shaun Ewing | Oct 30, 1945 00:00 | US-2388136-A // Party-line printing telegraph system // Gardner Leland A. ; Richards Kenneth W. // Bell Telephone Labor Inc ; American Telephone & Telegraph |
