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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1722262.pdf | 645 kB | Shaun Ewing | Jul 30, 1929 00:00 |
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US-1722262-A // Telephone-exchange system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 645 kB | Shaun Ewing | Jul 30, 1929 00:00 | US-1722262-A // Telephone-exchange system // Bascom Henry M. // 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 1450305.pdf | 644 kB | Shaun Ewing | Apr 03, 1923 00:00 |
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US-1450305-A // Telephone signaling system // Rhodes William A. // American Telephone & Telegraph | |||
| Version 1 (current) | 644 kB | Shaun Ewing | Apr 03, 1923 00:00 | US-1450305-A // Telephone signaling system // Rhodes William A. // American Telephone & Telegraph | ||||
| PDF File 1785819.pdf | 642 kB | Shaun Ewing | Dec 23, 1930 00:00 |
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US-1785819-A // Prevention of parasitic oscillations // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 642 kB | Shaun Ewing | Dec 23, 1930 00:00 | US-1785819-A // Prevention of parasitic oscillations // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1744063.pdf | 642 kB | Shaun Ewing | Jan 21, 1930 00:00 |
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US-1744063-A // Bridge duplex telegraph system // Wilburn Sidney D. // American Telephone & Telegraph | |||
| Version 1 (current) | 642 kB | Shaun Ewing | Jan 21, 1930 00:00 | US-1744063-A // Bridge duplex telegraph system // Wilburn Sidney D. // American Telephone & Telegraph | ||||
| PDF File 1391552.pdf | 641 kB | Shaun Ewing | Sept 20, 1921 00:00 |
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US-1391552-A // Repeater cord-circuits // Loynes Owen H. ; Rose Arthur F. // American Telephone & Telegraph | |||
| Version 1 (current) | 641 kB | Shaun Ewing | Sept 20, 1921 00:00 | US-1391552-A // Repeater cord-circuits // Loynes Owen H. ; Rose Arthur F. // American Telephone & Telegraph | ||||
| PDF File 1580191.pdf | 640 kB | Shaun Ewing | Apr 13, 1926 00:00 |
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US-1580191-A // Means for reducing cross fire in telegraph circuits // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 640 kB | Shaun Ewing | Apr 13, 1926 00:00 | US-1580191-A // Means for reducing cross fire in telegraph circuits // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1476689.pdf | 640 kB | Shaun Ewing | Dec 11, 1923 00:00 |
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US-1476689-A // Electrical testing system // Chapman Arthur G. // American Telephone & Telegraph | |||
| Version 1 (current) | 640 kB | Shaun Ewing | Dec 11, 1923 00:00 | US-1476689-A // Electrical testing system // Chapman Arthur G. // American Telephone & Telegraph | ||||
| PDF File 1415106.pdf | 638 kB | Shaun Ewing | May 09, 1922 00:00 |
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US-1415106-A // Ciphering device // Morehouse Lyman F. // American Telephone & Telegraph | |||
| Version 1 (current) | 638 kB | Shaun Ewing | May 09, 1922 00:00 | US-1415106-A // Ciphering device // Morehouse Lyman 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 1735052.pdf | 637 kB | Shaun Ewing | Nov 12, 1929 00:00 |
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US-1735052-A // Phase-compensating networks // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 637 kB | Shaun Ewing | Nov 12, 1929 00:00 | US-1735052-A // Phase-compensating networks // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1773126.pdf | 637 kB | Shaun Ewing | Aug 19, 1930 00:00 |
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US-1773126-A // Transmission system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 637 kB | Shaun Ewing | Aug 19, 1930 00:00 | US-1773126-A // Transmission system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1627633.pdf | 636 kB | Shaun Ewing | May 10, 1927 00:00 |
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US-1627633-A // Telegraph distortion-measuring system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 636 kB | Shaun Ewing | May 10, 1927 00:00 | US-1627633-A // Telegraph distortion-measuring system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1675441.pdf | 635 kB | Shaun Ewing | Jul 03, 1928 00:00 |
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US-1675441-A // Means for measuring balance of electrical networks // Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 635 kB | Shaun Ewing | Jul 03, 1928 00:00 | US-1675441-A // Means for measuring balance of electrical networks // Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1563377.pdf | 634 kB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1563377-A // Pulling and transposing mechanism for line wires // Klein Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 634 kB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563377-A // Pulling and transposing mechanism for line wires // Klein Charles H. // American Telephone & Telegraph | ||||
| PDF File 1694425.pdf | 634 kB | Shaun Ewing | Dec 11, 1928 00:00 |
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US-1694425-A // Electrical testing system // Mccurdy Ralph G. ; Blye Paul W. // American Telephone & Telegraph | |||
| Version 1 (current) | 634 kB | Shaun Ewing | Dec 11, 1928 00:00 | US-1694425-A // Electrical testing system // Mccurdy Ralph G. ; Blye Paul W. // American Telephone & Telegraph | ||||
| PDF File 1612011.pdf | 632 kB | Shaun Ewing | Dec 28, 1926 00:00 |
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US-1612011-A // Recording and reproducing system // Green Irving W. ; Bisbee Frederick C. // American Telephone & Telegraph | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Dec 28, 1926 00:00 | US-1612011-A // Recording and reproducing system // Green Irving W. ; Bisbee Frederick C. // American Telephone & Telegraph | ||||
| PDF File 1604163.pdf | 631 kB | Shaun Ewing | Oct 26, 1926 00:00 |
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US-1604163-A // Means for regulating motors // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 631 kB | Shaun Ewing | Oct 26, 1926 00:00 | US-1604163-A // Means for regulating motors // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1676321.pdf | 631 kB | Shaun Ewing | Jul 10, 1928 00:00 |
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US-1676321-A // Secrecy signaling system // Carpe Allen // American Telephone & Telegraph | |||
| Version 1 (current) | 631 kB | Shaun Ewing | Jul 10, 1928 00:00 | US-1676321-A // Secrecy signaling system // Carpe Allen // American Telephone & Telegraph | ||||
| PDF File 1688451.pdf | 630 kB | Shaun Ewing | Oct 23, 1928 00:00 |
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US-1688451-A // Telephone signaling system // Demarest Charles S. ; Loynes Owen H. // American Telephone & Telegraph | |||
| Version 1 (current) | 630 kB | Shaun Ewing | Oct 23, 1928 00:00 | US-1688451-A // Telephone signaling system // Demarest Charles S. ; Loynes Owen H. // American Telephone & Telegraph |
