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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1659729.pdf | 320 kB | Shaun Ewing | Feb 21, 1928 00:00 |
|
US-1659729-A // Constant-voltage alternator // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Feb 21, 1928 00:00 | US-1659729-A // Constant-voltage alternator // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1744044.pdf | 320 kB | Shaun Ewing | Jan 21, 1930 00:00 |
|
US-1744044-A // Single-side-band carrier system // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Jan 21, 1930 00:00 | US-1744044-A // Single-side-band carrier system // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1754238.pdf | 320 kB | Shaun Ewing | Apr 15, 1930 00:00 |
|
US-1754238-A // Coin-box device // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Apr 15, 1930 00:00 | US-1754238-A // Coin-box device // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1679427.pdf | 320 kB | Shaun Ewing | Aug 07, 1928 00:00 |
|
US-1679427-A // Underground conduit // Jewell Howard W. // American Telephone & Telegraph | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Aug 07, 1928 00:00 | US-1679427-A // Underground conduit // Jewell Howard W. // American Telephone & Telegraph | ||||
| PDF File 1429264.pdf | 318 kB | Shaun Ewing | Sept 19, 1922 00:00 |
|
US-1429264-A // Calculating guy rule // Wright John W. // American Telephone & Telegraph | |||
| Version 1 (current) | 318 kB | Shaun Ewing | Sept 19, 1922 00:00 | US-1429264-A // Calculating guy rule // Wright John W. // American Telephone & Telegraph | ||||
| PDF File 1665297.pdf | 318 kB | Shaun Ewing | Apr 10, 1928 00:00 |
|
US-1665297-A // Grounded duplex telegraph system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 318 kB | Shaun Ewing | Apr 10, 1928 00:00 | US-1665297-A // Grounded duplex telegraph system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1734113.pdf | 317 kB | Shaun Ewing | Nov 05, 1929 00:00 |
|
US-1734113-A // Telephone repeater circuits // Clark Alva B. ; Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Nov 05, 1929 00:00 | US-1734113-A // Telephone repeater circuits // Clark Alva B. ; Crisson George // American Telephone & Telegraph | ||||
| PDF File 1721572.pdf | 317 kB | Shaun Ewing | Jul 23, 1929 00:00 |
|
US-1721572-A // Carrier-current system superposed on side circuit of phantom system // O'Leary Joseph T. // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Jul 23, 1929 00:00 | US-1721572-A // Carrier-current system superposed on side circuit of phantom system // O'Leary Joseph T. // American Telephone & Telegraph | ||||
| PDF File 1753230.pdf | 317 kB | Shaun Ewing | Apr 08, 1930 00:00 |
|
US-1753230-A // Meter // Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Apr 08, 1930 00:00 | US-1753230-A // Meter // Best Fred H. // American Telephone & Telegraph | ||||
| PDF File 1566295.pdf | 317 kB | Shaun Ewing | Dec 22, 1925 00:00 |
|
US-1566295-A // Printing-telegraph system // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Dec 22, 1925 00:00 | US-1566295-A // Printing-telegraph system // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1435968.pdf | 316 kB | Shaun Ewing | Nov 21, 1922 00:00 |
|
US-1435968-A // Telephone trunk circuits // Kuhn George W. ; Lundius Eric R. // American Telephone And Telecra | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Nov 21, 1922 00:00 | US-1435968-A // Telephone trunk circuits // Kuhn George W. ; Lundius Eric R. // American Telephone And Telecra | ||||
| PDF File 1555917.pdf | 316 kB | Shaun Ewing | Oct 06, 1925 00:00 |
|
US-1555917-A // Telegraphy // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Oct 06, 1925 00:00 | US-1555917-A // Telegraphy // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1759933.pdf | 316 kB | Shaun Ewing | May 27, 1930 00:00 |
|
US-1759933-A // Contact-making device // Bonell Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 316 kB | Shaun Ewing | May 27, 1930 00:00 | US-1759933-A // Contact-making device // Bonell Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1690167.pdf | 316 kB | Shaun Ewing | Nov 06, 1928 00:00 |
|
US-1690167-A // Vacuum tube and associated element // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Nov 06, 1928 00:00 | US-1690167-A // Vacuum tube and associated element // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1677157.pdf | 316 kB | Shaun Ewing | Jul 17, 1928 00:00 |
|
US-1677157-A // System for measuring contact rebounding // Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Jul 17, 1928 00:00 | US-1677157-A // System for measuring contact rebounding // Weaver Allan // American Telephone & Telegraph | ||||
| PDF File 1612019.pdf | 315 kB | Shaun Ewing | Dec 28, 1926 00:00 |
|
US-1612019-A // Asymmetrical wave-generating system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Dec 28, 1926 00:00 | US-1612019-A // Asymmetrical wave-generating system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1369828.pdf | 315 kB | Shaun Ewing | Mar 01, 1921 00:00 |
|
US-1369828-A // Cable-hanger // Matthews Edgar M. // American Telephone & Telegraph | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Mar 01, 1921 00:00 | US-1369828-A // Cable-hanger // Matthews Edgar M. // American Telephone & Telegraph | ||||
| PDF File 1575672.pdf | 315 kB | Shaun Ewing | Mar 09, 1926 00:00 |
|
US-1575672-A // Wire carrier program-distribution system // Blackwell Otto B. // American Telephone & Telegraph | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Mar 09, 1926 00:00 | US-1575672-A // Wire carrier program-distribution system // Blackwell Otto B. // American Telephone & Telegraph | ||||
| PDF File 1648145.pdf | 315 kB | Shaun Ewing | Nov 08, 1927 00:00 |
|
US-1648145-A // Method and apparatus for compensating distortion on long loaded lines // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Nov 08, 1927 00:00 | US-1648145-A // Method and apparatus for compensating distortion on long loaded lines // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1555870.pdf | 315 kB | Shaun Ewing | Oct 06, 1925 00:00 |
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US-1555870-A // Telegraph repeater // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Oct 06, 1925 00:00 | US-1555870-A // Telegraph repeater // Nyquist Harry // American Telephone & Telegraph |
