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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 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 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 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 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 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 2401518.pdf | 1.60 MB | Shaun Ewing | Jun 04, 1946 00:00 |
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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 2403888.pdf | 2.37 MB | Shaun Ewing | Jul 09, 1946 00:00 |
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US-2403888-A // Enciphering and deciphering system // Cronburg Claude Irving // American Telephone & Telegraph | |||
| Version 1 (current) | 2.37 MB | Shaun Ewing | Jul 09, 1946 00:00 | US-2403888-A // Enciphering and deciphering system // Cronburg Claude Irving // American Telephone & Telegraph | ||||
| PDF File 2405281.pdf | 510 kB | Shaun Ewing | Aug 06, 1946 00:00 |
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US-2405281-A // Object locater // Bemis Edwin Walter // American Telephone & Telegraph | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Aug 06, 1946 00:00 | US-2405281-A // Object locater // Bemis Edwin Walter // American Telephone & Telegraph | ||||
| PDF File 2405332.pdf | 653 kB | Shaun Ewing | Aug 06, 1946 00:00 |
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US-2405332-A // Toll telephone diversion system // Schroeppel Harold Henry // American Telephone & Telegraph | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Aug 06, 1946 00:00 | US-2405332-A // Toll telephone diversion system // Schroeppel Harold Henry // American Telephone & Telegraph | ||||
| PDF File 2405339.pdf | 945 kB | Shaun Ewing | Aug 06, 1946 00:00 |
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US-2405339-A // Equipment for observing dial tone speed // Willis Milton Powell // American Telephone & Telegraph | |||
| Version 1 (current) | 945 kB | Shaun Ewing | Aug 06, 1946 00:00 | US-2405339-A // Equipment for observing dial tone speed // Willis Milton Powell // American Telephone & Telegraph | ||||
| PDF File 2408299.pdf | 352 kB | Shaun Ewing | Sept 24, 1946 00:00 |
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US-2408299-A // Selective signaling system // Davis Rowland Fenner // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Sept 24, 1946 00:00 | US-2408299-A // Selective signaling system // Davis Rowland Fenner // American Telephone & Telegraph | ||||
| PDF File 2408304.pdf | 750 kB | Shaun Ewing | Sept 24, 1946 00:00 |
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US-2408304-A // Telegraph repeater system // Fay Frank Homer ; Reeve Elmer William // American Telephone & Telegraph | |||
| Version 1 (current) | 750 kB | Shaun Ewing | Sept 24, 1946 00:00 | US-2408304-A // Telegraph repeater system // Fay Frank Homer ; Reeve Elmer William // American Telephone & Telegraph | ||||
| PDF File 2409632.pdf | 587 kB | Shaun Ewing | Oct 22, 1946 00:00 |
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US-2409632-A // Guiding means for self-propelled torpedoes // King Robert W. // American Telephone & Telegraph | |||
| Version 1 (current) | 587 kB | Shaun Ewing | Oct 22, 1946 00:00 | US-2409632-A // Guiding means for self-propelled torpedoes // King Robert W. // American Telephone & Telegraph |
