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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1639819.pdf | 238 kB | Shaun Ewing | Aug 23, 1927 00:00 |
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US-1639819-A // Cleaning device for dials of telephone instruments // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 238 kB | Shaun Ewing | Aug 23, 1927 00:00 | US-1639819-A // Cleaning device for dials of telephone instruments // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1581314.pdf | 238 kB | Shaun Ewing | Apr 20, 1926 00:00 |
|
US-1581314-A // Device for coiling cables // Herbert Clifford M. // American Telephone & Telegraph | |||
| Version 1 (current) | 238 kB | Shaun Ewing | Apr 20, 1926 00:00 | US-1581314-A // Device for coiling cables // Herbert Clifford M. // American Telephone & Telegraph | ||||
| PDF File 1751522.pdf | 238 kB | Shaun Ewing | Mar 25, 1930 00:00 |
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US-1751522-A // Multiple-way connection for transmission lines // Mitchell Doren ; Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 238 kB | Shaun Ewing | Mar 25, 1930 00:00 | US-1751522-A // Multiple-way connection for transmission lines // Mitchell Doren ; Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1569874.pdf | 237 kB | Shaun Ewing | Jan 19, 1926 00:00 |
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US-1569874-A // Indicating means for calling dials // Newby Neal D. // American Telephone & Telegraph | |||
| Version 1 (current) | 237 kB | Shaun Ewing | Jan 19, 1926 00:00 | US-1569874-A // Indicating means for calling dials // Newby Neal D. // American Telephone & Telegraph | ||||
| PDF File 1448116.pdf | 235 kB | Shaun Ewing | Mar 13, 1923 00:00 |
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US-1448116-A // Connector for electrical conductors // Haislip Richard A. ; Matthews Edgar M. // American Telephone & Telegraph | |||
| Version 1 (current) | 235 kB | Shaun Ewing | Mar 13, 1923 00:00 | US-1448116-A // Connector for electrical conductors // Haislip Richard A. ; Matthews Edgar M. // American Telephone & Telegraph | ||||
| PDF File 1673830.pdf | 235 kB | Shaun Ewing | Jun 19, 1928 00:00 |
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US-1673830-A // Trouble alarm for telegraph systems // Kirkwood Maclean // American Telephone & Telegraph | |||
| Version 1 (current) | 235 kB | Shaun Ewing | Jun 19, 1928 00:00 | US-1673830-A // Trouble alarm for telegraph systems // Kirkwood Maclean // American Telephone & Telegraph | ||||
| PDF File 1509139.pdf | 233 kB | Shaun Ewing | Sept 23, 1924 00:00 |
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US-1509139-A // Radio receiving apparatus // Grimes David // American Telephone & Telegraph | |||
| Version 1 (current) | 233 kB | Shaun Ewing | Sept 23, 1924 00:00 | US-1509139-A // Radio receiving apparatus // Grimes David // 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 1745419.pdf | 231 kB | Shaun Ewing | Feb 04, 1930 00:00 |
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US-1745419-A // Apparatus for testing open-wire joints // Henneberger Thomas C. // American Telephone & Telegraph | |||
| Version 1 (current) | 231 kB | Shaun Ewing | Feb 04, 1930 00:00 | US-1745419-A // Apparatus for testing open-wire joints // Henneberger Thomas C. // American Telephone & Telegraph | ||||
| PDF File 1727328.pdf | 230 kB | Shaun Ewing | Sept 10, 1929 00:00 |
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US-1727328-A // High-frequency measuring system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 230 kB | Shaun Ewing | Sept 10, 1929 00:00 | US-1727328-A // High-frequency measuring system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1775752.pdf | 230 kB | Shaun Ewing | Sept 16, 1930 00:00 |
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US-1775752-A // Oscillation generator // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 230 kB | Shaun Ewing | Sept 16, 1930 00:00 | US-1775752-A // Oscillation generator // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1692961.pdf | 230 kB | Shaun Ewing | Nov 27, 1928 00:00 |
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US-1692961-A // Alternating-current relay // Thompson Elmer O. // American Telephone & Telegraph | |||
| Version 1 (current) | 230 kB | Shaun Ewing | Nov 27, 1928 00:00 | US-1692961-A // Alternating-current relay // Thompson Elmer O. // American Telephone & Telegraph | ||||
| PDF File 1625823.pdf | 230 kB | Shaun Ewing | Apr 26, 1927 00:00 |
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US-1625823-A // Radio receiver and trouble alarm // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 230 kB | Shaun Ewing | Apr 26, 1927 00:00 | US-1625823-A // Radio receiver and trouble alarm // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1656957.pdf | 229 kB | Shaun Ewing | Jan 24, 1928 00:00 |
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US-1656957-A // Glow-discharge valve // Schroter Fritz // American Telephone & Telegraph | |||
| Version 1 (current) | 229 kB | Shaun Ewing | Jan 24, 1928 00:00 | US-1656957-A // Glow-discharge valve // Schroter Fritz // American Telephone & Telegraph | ||||
| PDF File 1638930.pdf | 228 kB | Shaun Ewing | Aug 16, 1927 00:00 |
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US-1638930-A // Voltage regulator for vacuum tubes // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 228 kB | Shaun Ewing | Aug 16, 1927 00:00 | US-1638930-A // Voltage regulator for vacuum tubes // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1691150.pdf | 227 kB | Shaun Ewing | Nov 13, 1928 00:00 |
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US-1691150-A // Electrical power-limiting device // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 227 kB | Shaun Ewing | Nov 13, 1928 00:00 | US-1691150-A // Electrical power-limiting device // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1735041.pdf | 226 kB | Shaun Ewing | Nov 12, 1929 00:00 |
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US-1735041-A // Carrier-telegraph alarm system // Gardner Fred G. // American Telephone & Telegraph | |||
| Version 1 (current) | 226 kB | Shaun Ewing | Nov 12, 1929 00:00 | US-1735041-A // Carrier-telegraph alarm system // Gardner Fred G. // American Telephone & Telegraph | ||||
| PDF File 1546392.pdf | 226 kB | Shaun Ewing | Jul 21, 1925 00:00 |
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US-1546392-A // Testing apparatus // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 226 kB | Shaun Ewing | Jul 21, 1925 00:00 | US-1546392-A // Testing apparatus // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1589395.pdf | 225 kB | Shaun Ewing | Jun 22, 1926 00:00 |
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US-1589395-A // Telephone repeater // Jacobs Oliver B. // American Telephone & Telegraph | |||
| Version 1 (current) | 225 kB | Shaun Ewing | Jun 22, 1926 00:00 | US-1589395-A // Telephone repeater // Jacobs Oliver B. // American Telephone & Telegraph | ||||
| PDF File 1584748.pdf | 224 kB | Shaun Ewing | May 18, 1926 00:00 |
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US-1584748-A // Circuit controller // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 224 kB | Shaun Ewing | May 18, 1926 00:00 | US-1584748-A // Circuit controller // Toomey John F. // American Telephone & Telegraph |
