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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1728975.pdf | 579 kB | Shaun Ewing | Sept 24, 1929 00:00 |
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US-1728975-A // Premature-disconnect signal for telephone circuits // Morris Robert W. ; Nelson Stanley F. // American Telephone & Telegraph | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Sept 24, 1929 00:00 | US-1728975-A // Premature-disconnect signal for telephone circuits // Morris Robert W. ; Nelson Stanley F. // American Telephone & Telegraph | ||||
| PDF File 1612849.pdf | 579 kB | Shaun Ewing | Jan 04, 1927 00:00 |
|
US-1612849-A // Testing device // Anderson Grenville T. ; Taplin Carleton V. // American Telephone & Telegraph | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Jan 04, 1927 00:00 | US-1612849-A // Testing device // Anderson Grenville T. ; Taplin Carleton V. // American Telephone & Telegraph | ||||
| PDF File 1710786.pdf | 579 kB | Shaun Ewing | Apr 30, 1929 00:00 |
|
US-1710786-A // Method and means for producing insulating sleeves // Pike Vernon B. ; John Everett St. // American Telephone & Telegraph | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Apr 30, 1929 00:00 | US-1710786-A // Method and means for producing insulating sleeves // Pike Vernon B. ; John Everett St. // American Telephone & Telegraph | ||||
| PDF File 1537990.pdf | 578 kB | Shaun Ewing | May 19, 1925 00:00 |
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US-1537990-A // Method of improving broadcast reception // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 578 kB | Shaun Ewing | May 19, 1925 00:00 | US-1537990-A // Method of improving broadcast reception // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1511629.pdf | 577 kB | Shaun Ewing | Oct 14, 1924 00:00 |
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US-1511629-A // Electrical testing system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511629-A // Electrical testing system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1537106.pdf | 576 kB | Shaun Ewing | May 12, 1925 00:00 |
|
US-1537106-A // Means for and metho of equalizing attenuation // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 576 kB | Shaun Ewing | May 12, 1925 00:00 | US-1537106-A // Means for and metho of equalizing attenuation // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1535244.pdf | 576 kB | Shaun Ewing | Apr 28, 1925 00:00 |
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US-1535244-A // Telegraphy // Percival Harry S. // American Telephone & Telegraph | |||
| Version 1 (current) | 576 kB | Shaun Ewing | Apr 28, 1925 00:00 | US-1535244-A // Telegraphy // Percival Harry S. // American Telephone & Telegraph | ||||
| PDF File 1719845.pdf | 576 kB | Shaun Ewing | Jul 09, 1929 00:00 |
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US-1719845-A // Reduction of fading of radiosignals // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 576 kB | Shaun Ewing | Jul 09, 1929 00:00 | US-1719845-A // Reduction of fading of radiosignals // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1439772.pdf | 576 kB | Shaun Ewing | Dec 26, 1922 00:00 |
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US-1439772-A // Signaling apparatus and circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 576 kB | Shaun Ewing | Dec 26, 1922 00:00 | US-1439772-A // Signaling apparatus and circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1410890.pdf | 574 kB | Shaun Ewing | Mar 28, 1922 00:00 |
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US-1410890-A // Method of and means for modulating carrier oscillations // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Mar 28, 1922 00:00 | US-1410890-A // Method of and means for modulating carrier oscillations // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1478458.pdf | 573 kB | Shaun Ewing | Dec 25, 1923 00:00 |
|
US-1478458-A // Network controlling circuits // Smith Don // American Telephone & Telegraph | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Dec 25, 1923 00:00 | US-1478458-A // Network controlling circuits // Smith Don // American Telephone & Telegraph | ||||
| PDF File 1650683.pdf | 573 kB | Shaun Ewing | Nov 29, 1927 00:00 |
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US-1650683-A // Straightforward trunking system // Bascom Henry M. ; Fowler Clarence B. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Nov 29, 1927 00:00 | US-1650683-A // Straightforward trunking system // Bascom Henry M. ; Fowler Clarence B. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1677966.pdf | 572 kB | Shaun Ewing | Jul 24, 1928 00:00 |
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US-1677966-A // Carrier signaling system // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Jul 24, 1928 00:00 | US-1677966-A // Carrier signaling system // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1619085.pdf | 572 kB | Shaun Ewing | Mar 01, 1927 00:00 |
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US-1619085-A // Carrier-current signaling system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Mar 01, 1927 00:00 | US-1619085-A // Carrier-current signaling system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1518543.pdf | 571 kB | Shaun Ewing | Dec 09, 1924 00:00 |
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US-1518543-A // Electrical measuring apparatus // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Dec 09, 1924 00:00 | US-1518543-A // Electrical measuring apparatus // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1563326.pdf | 571 kB | Shaun Ewing | Dec 01, 1925 00:00 |
|
US-1563326-A // Secret-communication system // Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563326-A // Secret-communication system // Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1683725.pdf | 571 kB | Shaun Ewing | Sept 11, 1928 00:00 |
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US-1683725-A // Phase-regulating system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Sept 11, 1928 00:00 | US-1683725-A // Phase-regulating system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1468096.pdf | 570 kB | Shaun Ewing | Sept 18, 1923 00:00 |
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US-1468096-A // Storage-battery circuit // Young Rowland L. // American Telephone & Telegraph | |||
| Version 1 (current) | 570 kB | Shaun Ewing | Sept 18, 1923 00:00 | US-1468096-A // Storage-battery circuit // Young Rowland L. // American Telephone & Telegraph | ||||
| PDF File 1777016.pdf | 569 kB | Shaun Ewing | Sept 30, 1930 00:00 |
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US-1777016-A // Electrootical image-producing system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 569 kB | Shaun Ewing | Sept 30, 1930 00:00 | US-1777016-A // Electrootical image-producing system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1488167.pdf | 569 kB | Shaun Ewing | Mar 25, 1924 00:00 |
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US-1488167-A // Signaling system // Ramsdell Roger G. // American Telephone & Telegraph | |||
| Version 1 (current) | 569 kB | Shaun Ewing | Mar 25, 1924 00:00 | US-1488167-A // Signaling system // Ramsdell Roger G. // American Telephone & Telegraph |
