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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1759915.pdf | 204 kB | Shaun Ewing | May 27, 1930 00:00 |
|
US-1759915-A // Photo-electric cell // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 204 kB | Shaun Ewing | May 27, 1930 00:00 | US-1759915-A // Photo-electric cell // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1642040.pdf | 204 kB | Shaun Ewing | Sept 13, 1927 00:00 |
|
US-1642040-A // Public-address system // Mccutchen Brunson S. // American Telephone & Telegraph | |||
| Version 1 (current) | 204 kB | Shaun Ewing | Sept 13, 1927 00:00 | US-1642040-A // Public-address system // Mccutchen Brunson S. // American Telephone & Telegraph | ||||
| PDF File 1577720.pdf | 204 kB | Shaun Ewing | Mar 23, 1926 00:00 |
|
US-1577720-A // Acoustic shock absorber for telephone lines // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 204 kB | Shaun Ewing | Mar 23, 1926 00:00 | US-1577720-A // Acoustic shock absorber for telephone lines // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1595159.pdf | 204 kB | Shaun Ewing | Aug 10, 1926 00:00 |
|
US-1595159-A // Telephone repeater system // Jacobs Oliver B. // American Telephone & Telegraph | |||
| Version 1 (current) | 204 kB | Shaun Ewing | Aug 10, 1926 00:00 | US-1595159-A // Telephone repeater system // Jacobs Oliver B. // American Telephone & Telegraph | ||||
| PDF File 1619882.pdf | 203 kB | Shaun Ewing | Mar 08, 1927 00:00 |
|
US-1619882-A // Means for transferring high-frequency energy // Ohl Russill S. // American Telephone & Telegraph | |||
| Version 1 (current) | 203 kB | Shaun Ewing | Mar 08, 1927 00:00 | US-1619882-A // Means for transferring high-frequency energy // Ohl Russill S. // American Telephone & Telegraph | ||||
| PDF File 1703870.pdf | 202 kB | Shaun Ewing | Mar 05, 1929 00:00 |
|
US-1703870-A // Radioantenna // Demarest Charles S. ; Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 202 kB | Shaun Ewing | Mar 05, 1929 00:00 | US-1703870-A // Radioantenna // Demarest Charles S. ; Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1685154.pdf | 200 kB | Shaun Ewing | Sept 25, 1928 00:00 |
|
US-1685154-A // Lock // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 200 kB | Shaun Ewing | Sept 25, 1928 00:00 | US-1685154-A // Lock // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1482557.pdf | 199 kB | Shaun Ewing | Feb 05, 1924 00:00 |
|
US-1482557-A // Composite signaling system // Hamilton Baxter P. // American Telephone & Telegraph | |||
| Version 1 (current) | 199 kB | Shaun Ewing | Feb 05, 1924 00:00 | US-1482557-A // Composite signaling system // Hamilton Baxter P. // American Telephone & Telegraph | ||||
| PDF File 1758058.pdf | 199 kB | Shaun Ewing | May 13, 1930 00:00 |
|
US-1758058-A // High-frequency communication system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 199 kB | Shaun Ewing | May 13, 1930 00:00 | US-1758058-A // High-frequency communication system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1753715.pdf | 198 kB | Shaun Ewing | Apr 08, 1930 00:00 |
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US-1753715-A // Short-wave radio signaling system // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 198 kB | Shaun Ewing | Apr 08, 1930 00:00 | US-1753715-A // Short-wave radio signaling system // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1604282.pdf | 197 kB | Shaun Ewing | Oct 26, 1926 00:00 |
|
US-1604282-A // Submarine cable // Haislip Richard A. // American Telephone & Telegraph | |||
| Version 1 (current) | 197 kB | Shaun Ewing | Oct 26, 1926 00:00 | US-1604282-A // Submarine cable // Haislip Richard A. // American Telephone & Telegraph | ||||
| PDF File 1592901.pdf | 195 kB | Shaun Ewing | Jul 20, 1926 00:00 |
|
US-1592901-A // Oscillator // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 195 kB | Shaun Ewing | Jul 20, 1926 00:00 | US-1592901-A // Oscillator // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1697933.pdf | 194 kB | Shaun Ewing | Jan 08, 1929 00:00 |
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US-1697933-A // Signaling circuits for repeaters // Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 194 kB | Shaun Ewing | Jan 08, 1929 00:00 | US-1697933-A // Signaling circuits for repeaters // Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1605933.pdf | 194 kB | Shaun Ewing | Nov 09, 1926 00:00 |
|
US-1605933-A // Duplex telegraph system // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 194 kB | Shaun Ewing | Nov 09, 1926 00:00 | US-1605933-A // Duplex telegraph system // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1776301.pdf | 193 kB | Shaun Ewing | Sept 23, 1930 00:00 |
|
US-1776301-A // Coin-controlled apparatus // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 193 kB | Shaun Ewing | Sept 23, 1930 00:00 | US-1776301-A // Coin-controlled apparatus // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1744887.pdf | 189 kB | Shaun Ewing | Jan 28, 1930 00:00 |
|
US-1744887-A // Device for introducing gas into cables // Gruene William J. // American Telephone & Telegraph | |||
| Version 1 (current) | 189 kB | Shaun Ewing | Jan 28, 1930 00:00 | US-1744887-A // Device for introducing gas into cables // Gruene William J. // American Telephone & Telegraph | ||||
| PDF File 1621533.pdf | 189 kB | Shaun Ewing | Mar 22, 1927 00:00 |
|
US-1621533-A // Alternating-current relay // Grimes David // American Telephone & Telegraph | |||
| Version 1 (current) | 189 kB | Shaun Ewing | Mar 22, 1927 00:00 | US-1621533-A // Alternating-current relay // Grimes David // American Telephone & Telegraph | ||||
| PDF File 1666965.pdf | 188 kB | Shaun Ewing | Apr 24, 1928 00:00 |
|
US-1666965-A // Differential duplex telegraph repeater // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 188 kB | Shaun Ewing | Apr 24, 1928 00:00 | US-1666965-A // Differential duplex telegraph repeater // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1759026.pdf | 186 kB | Shaun Ewing | May 20, 1930 00:00 |
|
US-1759026-A // Telegraph apparatus // Terriberry Warren S. // American Telephone & Telegraph | |||
| Version 1 (current) | 186 kB | Shaun Ewing | May 20, 1930 00:00 | US-1759026-A // Telegraph apparatus // Terriberry Warren S. // American Telephone & Telegraph | ||||
| PDF File 1612005.pdf | 183 kB | Shaun Ewing | Dec 28, 1926 00:00 |
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US-1612005-A // Electrical picture-transmission system // Ellsworth James D. // American Telephone & Telegraph | |||
| Version 1 (current) | 183 kB | Shaun Ewing | Dec 28, 1926 00:00 | US-1612005-A // Electrical picture-transmission system // Ellsworth James D. // American Telephone & Telegraph |
