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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1364964.pdf | 707 kB | Shaun Ewing | Jan 11, 1921 00:00 |
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US-1364964-A // Means for controlling repeaters // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 707 kB | Shaun Ewing | Jan 11, 1921 00:00 | US-1364964-A // Means for controlling repeaters // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1608551.pdf | 706 kB | Shaun Ewing | Nov 30, 1926 00:00 |
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US-1608551-A // Radio signaling system // Demarest Charles S. ; Bonell Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 706 kB | Shaun Ewing | Nov 30, 1926 00:00 | US-1608551-A // Radio signaling system // Demarest Charles S. ; Bonell Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1635227.pdf | 706 kB | Shaun Ewing | Jul 12, 1927 00:00 |
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US-1635227-A // Cord-circuit repeater // Shackleton Samuel P. ; Glezen Lee L. // American Telephone & Telegraph | |||
| Version 1 (current) | 706 kB | Shaun Ewing | Jul 12, 1927 00:00 | US-1635227-A // Cord-circuit repeater // Shackleton Samuel P. ; Glezen Lee L. // American Telephone & Telegraph | ||||
| PDF File 1638430.pdf | 705 kB | Shaun Ewing | Aug 09, 1927 00:00 |
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US-1638430-A // Straightforward trunking system // Bailey Rand S. ; Broe Edgar P. // American Telephone & Telegraph | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Aug 09, 1927 00:00 | US-1638430-A // Straightforward trunking system // Bailey Rand S. ; Broe Edgar P. // American Telephone & Telegraph | ||||
| PDF File 1777355.pdf | 705 kB | Shaun Ewing | Oct 07, 1930 00:00 |
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US-1777355-A // Transmission-level-controlling device // Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Oct 07, 1930 00:00 | US-1777355-A // Transmission-level-controlling device // Fetter Charles H. // American Telephone & Telegraph | ||||
| PDF File 1739532.pdf | 705 kB | Shaun Ewing | Dec 17, 1929 00:00 |
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US-1739532-A // Remote control of repeaters // Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Dec 17, 1929 00:00 | US-1739532-A // Remote control of repeaters // Taylor Edmund R. // American Telephone & Telegraph | ||||
| PDF File 1549817.pdf | 704 kB | Shaun Ewing | Aug 18, 1925 00:00 |
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US-1549817-A // Trouble-indicating arrangement // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 704 kB | Shaun Ewing | Aug 18, 1925 00:00 | US-1549817-A // Trouble-indicating arrangement // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1557596.pdf | 702 kB | Shaun Ewing | Oct 20, 1925 00:00 |
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US-1557596-A // Machine-switching telephone exchange system // Lamb Willis E. ; Mason Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 702 kB | Shaun Ewing | Oct 20, 1925 00:00 | US-1557596-A // Machine-switching telephone exchange system // Lamb Willis E. ; Mason Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1687535.pdf | 701 kB | Shaun Ewing | Oct 16, 1928 00:00 |
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US-1687535-A // Reduction of losses in insulators, pins, and cross arms // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 701 kB | Shaun Ewing | Oct 16, 1928 00:00 | US-1687535-A // Reduction of losses in insulators, pins, and cross arms // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1760957.pdf | 699 kB | Shaun Ewing | Jun 03, 1930 00:00 |
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US-1760957-A // Vacuum-tube detector // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 699 kB | Shaun Ewing | Jun 03, 1930 00:00 | US-1760957-A // Vacuum-tube detector // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1676240.pdf | 699 kB | Shaun Ewing | Jul 10, 1928 00:00 |
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US-1676240-A // Radio signaling system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 699 kB | Shaun Ewing | Jul 10, 1928 00:00 | US-1676240-A // Radio signaling system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1750688.pdf | 699 kB | Shaun Ewing | Mar 18, 1930 00:00 |
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US-1750688-A // Signaling system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 699 kB | Shaun Ewing | Mar 18, 1930 00:00 | US-1750688-A // Signaling system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1565491.pdf | 699 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565491-A // Volume control of transmission // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 699 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565491-A // Volume control of transmission // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1739531.pdf | 697 kB | Shaun Ewing | Dec 17, 1929 00:00 |
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US-1739531-A // Remote control system // Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 697 kB | Shaun Ewing | Dec 17, 1929 00:00 | US-1739531-A // Remote control system // Taylor Edmund R. // American Telephone & Telegraph | ||||
| PDF File 1605010.pdf | 697 kB | Shaun Ewing | Nov 02, 1926 00:00 |
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US-1605010-A // Signaling system // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 697 kB | Shaun Ewing | Nov 02, 1926 00:00 | US-1605010-A // Signaling system // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1427725.pdf | 696 kB | Shaun Ewing | Aug 29, 1922 00:00 |
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US-1427725-A // Switchboard call-signal apparatus and circuits // Cooper Lester W. // American Telephone & Telegraph | |||
| Version 1 (current) | 696 kB | Shaun Ewing | Aug 29, 1922 00:00 | US-1427725-A // Switchboard call-signal apparatus and circuits // Cooper Lester W. // American Telephone & Telegraph | ||||
| PDF File 1637403.pdf | 696 kB | Shaun Ewing | Aug 02, 1927 00:00 |
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US-1637403-A // Telephone system // Abbott Henry H. // American Telephone & Telegraph | |||
| Version 1 (current) | 696 kB | Shaun Ewing | Aug 02, 1927 00:00 | US-1637403-A // Telephone system // Abbott Henry H. // American Telephone & Telegraph | ||||
| PDF File 1784178.pdf | 693 kB | Shaun Ewing | Dec 09, 1930 00:00 |
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US-1784178-A // Voice-controlled circuits // Carpe Allen // American Telephone & Telegraph | |||
| Version 1 (current) | 693 kB | Shaun Ewing | Dec 09, 1930 00:00 | US-1784178-A // Voice-controlled circuits // Carpe Allen // American Telephone & Telegraph | ||||
| PDF File 1574781.pdf | 692 kB | Shaun Ewing | Mar 02, 1926 00:00 |
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US-1574781-A // Voice-operated repeater system // Barton Henry A. // American Telephone & Telegraph | |||
| Version 1 (current) | 692 kB | Shaun Ewing | Mar 02, 1926 00:00 | US-1574781-A // Voice-operated repeater system // Barton Henry A. // American Telephone & Telegraph | ||||
| PDF File 1669123.pdf | 691 kB | Shaun Ewing | May 08, 1928 00:00 |
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US-1669123-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 691 kB | Shaun Ewing | May 08, 1928 00:00 | US-1669123-A // Directive radio repeating system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph |
