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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1760983.pdf | 750 kB | Shaun Ewing | Jun 03, 1930 00:00 |
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US-1760983-A // Insulator // Gordon Chester S. ; Lowe James T. // American Telephone & Telegraph | |||
| Version 1 (current) | 750 kB | Shaun Ewing | Jun 03, 1930 00:00 | US-1760983-A // Insulator // Gordon Chester S. ; Lowe James T. // American Telephone & Telegraph | ||||
| PDF File 1511755.pdf | 749 kB | Shaun Ewing | Oct 14, 1924 00:00 |
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US-1511755-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511755-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1762279.pdf | 749 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762279-A // Transmission system // Singer Fred J. // American Telephone & Telegraph | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762279-A // Transmission system // Singer Fred J. // American Telephone & Telegraph | ||||
| PDF File 1771446.pdf | 747 kB | Shaun Ewing | Jul 29, 1930 00:00 |
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US-1771446-A // Regenerative telegraph repeater // Parker Ralzemond D. ; Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 747 kB | Shaun Ewing | Jul 29, 1930 00:00 | US-1771446-A // Regenerative telegraph repeater // Parker Ralzemond D. ; Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1470611.pdf | 747 kB | Shaun Ewing | Oct 16, 1923 00:00 |
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US-1470611-A // Telephone-exchange system // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 747 kB | Shaun Ewing | Oct 16, 1923 00:00 | US-1470611-A // Telephone-exchange system // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1569001.pdf | 746 kB | Shaun Ewing | Jan 12, 1926 00:00 |
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US-1569001-A // Electrical measuring apparatus // Clark Alva Benson ; Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 746 kB | Shaun Ewing | Jan 12, 1926 00:00 | US-1569001-A // Electrical measuring apparatus // Clark Alva Benson ; Crisson George // American Telephone & Telegraph | ||||
| PDF File 1552499.pdf | 744 kB | Shaun Ewing | Sept 08, 1925 00:00 |
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US-1552499-A // Means for measuring telegraph distortion // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Sept 08, 1925 00:00 | US-1552499-A // Means for measuring telegraph distortion // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1524379.pdf | 739 kB | Shaun Ewing | Jan 27, 1925 00:00 |
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US-1524379-A // Telephone-exchange system // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 739 kB | Shaun Ewing | Jan 27, 1925 00:00 | US-1524379-A // Telephone-exchange system // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1615911.pdf | 739 kB | Shaun Ewing | Feb 01, 1927 00:00 |
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US-1615911-A // Apparatus and method for regulating attenuation and phase on transmission lines // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 739 kB | Shaun Ewing | Feb 01, 1927 00:00 | US-1615911-A // Apparatus and method for regulating attenuation and phase on transmission lines // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1779493.pdf | 738 kB | Shaun Ewing | Oct 28, 1930 00:00 |
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US-1779493-A // Carrier-current telegraph system // Rea Wilton T. // American Telephone & Telegraph | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Oct 28, 1930 00:00 | US-1779493-A // Carrier-current telegraph system // Rea Wilton T. // American Telephone & Telegraph | ||||
| PDF File 1677983.pdf | 736 kB | Shaun Ewing | Jul 24, 1928 00:00 |
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US-1677983-A // Printing-telegraph exchange system // Parker Raizemond D. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 736 kB | Shaun Ewing | Jul 24, 1928 00:00 | US-1677983-A // Printing-telegraph exchange system // Parker Raizemond D. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1620733.pdf | 736 kB | Shaun Ewing | Mar 15, 1927 00:00 |
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US-1620733-A // Telephone system // Nelson Stanley F. // American Telephone & Telegraph | |||
| Version 1 (current) | 736 kB | Shaun Ewing | Mar 15, 1927 00:00 | US-1620733-A // Telephone system // Nelson Stanley F. // American Telephone & Telegraph | ||||
| PDF File 1415868.pdf | 733 kB | Shaun Ewing | May 16, 1922 00:00 |
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US-1415868-A // Transmission-equalization arrangement // Darrow Leo H. // American Telephone & Telegraph | |||
| Version 1 (current) | 733 kB | Shaun Ewing | May 16, 1922 00:00 | US-1415868-A // Transmission-equalization arrangement // Darrow Leo H. // American Telephone & Telegraph | ||||
| PDF File 1558280.pdf | 732 kB | Shaun Ewing | Oct 20, 1925 00:00 |
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US-1558280-A // Secret system of telegraphy // Potts Louis M. // American Telephone & Telegraph | |||
| Version 1 (current) | 732 kB | Shaun Ewing | Oct 20, 1925 00:00 | US-1558280-A // Secret system of telegraphy // Potts Louis M. // American Telephone & Telegraph | ||||
| PDF File 1710787.pdf | 731 kB | Shaun Ewing | Apr 30, 1929 00:00 |
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US-1710787-A // Method and means for producing insulating sleeves // Pike Vernon Bender ; John Everett St. // American Telephone & Telegraph | |||
| Version 1 (current) | 731 kB | Shaun Ewing | Apr 30, 1929 00:00 | US-1710787-A // Method and means for producing insulating sleeves // Pike Vernon Bender ; John Everett St. // American Telephone & Telegraph | ||||
| PDF File 1729644.pdf | 730 kB | Shaun Ewing | Oct 01, 1929 00:00 |
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US-1729644-A // Electrical testing system // Henneberger Thomas C. // American Telephone & Telegraph | |||
| Version 1 (current) | 730 kB | Shaun Ewing | Oct 01, 1929 00:00 | US-1729644-A // Electrical testing system // Henneberger Thomas C. // American Telephone & Telegraph | ||||
| PDF File 1454158.pdf | 729 kB | Shaun Ewing | May 08, 1923 00:00 |
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US-1454158-A // Means for ringing over multiplex transmission channels // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 729 kB | Shaun Ewing | May 08, 1923 00:00 | US-1454158-A // Means for ringing over multiplex transmission channels // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1504135.pdf | 729 kB | Shaun Ewing | Aug 05, 1924 00:00 |
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US-1504135-A // Telephone repeater circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 729 kB | Shaun Ewing | Aug 05, 1924 00:00 | US-1504135-A // Telephone repeater circuits // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1533091.pdf | 726 kB | Shaun Ewing | Apr 14, 1925 00:00 |
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US-1533091-A // Duplex signaling system // Blackwell Otto B. // American Telephone & Telegraph | |||
| Version 1 (current) | 726 kB | Shaun Ewing | Apr 14, 1925 00:00 | US-1533091-A // Duplex signaling system // Blackwell Otto B. // American Telephone & Telegraph | ||||
| PDF File 1547232.pdf | 725 kB | Shaun Ewing | Jul 28, 1925 00:00 |
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US-1547232-A // Multiplex signaling system // Parker Ralzemond D. // American Telephone & Telegraph | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Jul 28, 1925 00:00 | US-1547232-A // Multiplex signaling system // Parker Ralzemond D. // American Telephone & Telegraph |
