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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1410545.pdf | 929 kB | Shaun Ewing | Mar 28, 1922 00:00 |
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US-1410545-A // Intercommunicating system // Marrows Leon Dwight // American Telephone & Telegraph | |||
| Version 1 (current) | 929 kB | Shaun Ewing | Mar 28, 1922 00:00 | US-1410545-A // Intercommunicating system // Marrows Leon Dwight // American Telephone & Telegraph | ||||
| PDF File 1410088.pdf | 232 kB | Shaun Ewing | Mar 21, 1922 00:00 |
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US-1410088-A // Screw driver // White Ralph H. // American Telephone & Telegraph | |||
| Version 1 (current) | 232 kB | Shaun Ewing | Mar 21, 1922 00:00 | US-1410088-A // Screw driver // White Ralph H. // American Telephone & Telegraph | ||||
| PDF File 1410003.pdf | 404 kB | Shaun Ewing | Mar 21, 1922 00:00 |
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US-1410003-A // Repeater apparatus // Demarest Charles S. ; Loynes Owen H. // American Telephone & Telegraph | |||
| Version 1 (current) | 404 kB | Shaun Ewing | Mar 21, 1922 00:00 | US-1410003-A // Repeater apparatus // Demarest Charles S. ; Loynes Owen H. // American Telephone & Telegraph | ||||
| PDF File 1409913.pdf | 644 kB | Shaun Ewing | Mar 21, 1922 00:00 |
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US-1409913-A // Message-register system // Avery Frederick // American Telephone & Telegraph | |||
| Version 1 (current) | 644 kB | Shaun Ewing | Mar 21, 1922 00:00 | US-1409913-A // Message-register system // Avery Frederick // American Telephone & Telegraph | ||||
| PDF File 1408567.pdf | 259 kB | Shaun Ewing | Mar 07, 1922 00:00 |
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US-1408567-A // Transmission equalization arrangement // Darrow Leo H. // American Telephone & Telegraph | |||
| Version 1 (current) | 259 kB | Shaun Ewing | Mar 07, 1922 00:00 | US-1408567-A // Transmission equalization arrangement // Darrow Leo H. // American Telephone & Telegraph | ||||
| PDF File 1407046.pdf | 414 kB | Shaun Ewing | Feb 21, 1922 00:00 |
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US-1407046-A // Telephone apparatus // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 414 kB | Shaun Ewing | Feb 21, 1922 00:00 | US-1407046-A // Telephone apparatus // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1407028.pdf | 638 kB | Shaun Ewing | Feb 21, 1922 00:00 |
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US-1407028-A // Transmission-equalization arrangement // Harper Alfred U. // American Telephone & Telegraph | |||
| Version 1 (current) | 638 kB | Shaun Ewing | Feb 21, 1922 00:00 | US-1407028-A // Transmission-equalization arrangement // Harper Alfred U. // American Telephone & Telegraph | ||||
| PDF File 1406998.pdf | 152 kB | Shaun Ewing | Feb 21, 1922 00:00 |
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US-1406998-A // Signaling system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 152 kB | Shaun Ewing | Feb 21, 1922 00:00 | US-1406998-A // Signaling system // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1406918.pdf | 387 kB | Shaun Ewing | Feb 14, 1922 00:00 |
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US-1406918-A // Testing system // Blauvelt William G. // American Telephone & Telegraph | |||
| Version 1 (current) | 387 kB | Shaun Ewing | Feb 14, 1922 00:00 | US-1406918-A // Testing system // Blauvelt William G. // American Telephone & Telegraph | ||||
| PDF File 1406246.pdf | 723 kB | Shaun Ewing | Feb 14, 1922 00:00 |
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US-1406246-A // Testing and adjusting apparatus for cord circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Feb 14, 1922 00:00 | US-1406246-A // Testing and adjusting apparatus for cord circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1406195.pdf | 387 kB | Shaun Ewing | Feb 14, 1922 00:00 |
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US-1406195-A // Testing apparatus for telephone-switchboard cords // Kuhn George W. // American Telephone & Telegraph | |||
| Version 1 (current) | 387 kB | Shaun Ewing | Feb 14, 1922 00:00 | US-1406195-A // Testing apparatus for telephone-switchboard cords // Kuhn George W. // American Telephone & Telegraph | ||||
| PDF File 1405501.pdf | 615 kB | Shaun Ewing | Feb 07, 1922 00:00 |
|
US-1405501-A // Repeater-network-selecting apparatus // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Feb 07, 1922 00:00 | US-1405501-A // Repeater-network-selecting apparatus // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1405428.pdf | 171 kB | Shaun Ewing | Feb 07, 1922 00:00 |
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US-1405428-A // Signal-transmitting system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 171 kB | Shaun Ewing | Feb 07, 1922 00:00 | US-1405428-A // Signal-transmitting system // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1404799.pdf | 454 kB | Shaun Ewing | Jan 31, 1922 00:00 |
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US-1404799-A // Current-supply circuit for vacuum bulbs // Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 454 kB | Shaun Ewing | Jan 31, 1922 00:00 | US-1404799-A // Current-supply circuit for vacuum bulbs // Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1403841.pdf | 926 kB | Shaun Ewing | Jan 17, 1922 00:00 |
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US-1403841-A // Frequency-control system // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 926 kB | Shaun Ewing | Jan 17, 1922 00:00 | US-1403841-A // Frequency-control system // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1403626.pdf | 345 kB | Shaun Ewing | Jan 17, 1922 00:00 |
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US-1403626-A // Automatic switch for controlling motor-driven automatic machines // Potts Louis M. // American Telephone & Telegraph | |||
| Version 1 (current) | 345 kB | Shaun Ewing | Jan 17, 1922 00:00 | US-1403626-A // Automatic switch for controlling motor-driven automatic machines // Potts Louis M. // American Telephone & Telegraph | ||||
| PDF File 1403544.pdf | 263 kB | Shaun Ewing | Jan 17, 1922 00:00 |
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US-1403544-A // Transmission equalization arrangement // Darrow Wirt E. // American Telephone & Telegraph | |||
| Version 1 (current) | 263 kB | Shaun Ewing | Jan 17, 1922 00:00 | US-1403544-A // Transmission equalization arrangement // Darrow Wirt E. // American Telephone & Telegraph | ||||
| PDF File 1402991.pdf | 342 kB | Shaun Ewing | Jan 10, 1922 00:00 |
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US-1402991-A // Carrier telegraph circuit // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 342 kB | Shaun Ewing | Jan 10, 1922 00:00 | US-1402991-A // Carrier telegraph circuit // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1402322.pdf | 622 kB | Shaun Ewing | Jan 03, 1922 00:00 |
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US-1402322-A // Anti-side-tone hand set // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 622 kB | Shaun Ewing | Jan 03, 1922 00:00 | US-1402322-A // Anti-side-tone hand set // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1402202.pdf | 616 kB | Shaun Ewing | Jan 03, 1922 00:00 |
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US-1402202-A // Ringing arrangement for multiplex circuits // Affel Herman A. ; Jr. John Davidson, // American Telephone & Telegraph | |||
| Version 1 (current) | 616 kB | Shaun Ewing | Jan 03, 1922 00:00 | US-1402202-A // Ringing arrangement for multiplex circuits // Affel Herman A. ; Jr. John Davidson, // American Telephone & Telegraph |
