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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1586587.pdf | 1.37 MB | Shaun Ewing | Jun 01, 1926 00:00 |
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US-1586587-A // Testing system for testing subscribers' station apparatus // Taplin Carleton V. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Jun 01, 1926 00:00 | US-1586587-A // Testing system for testing subscribers' station apparatus // Taplin Carleton V. // American Telephone & Telegraph | ||||
| PDF File 1577515.pdf | 1.36 MB | Shaun Ewing | Mar 23, 1926 00:00 |
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US-1577515-A // Selective signaling circuits for carrier systems // Bonell Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.36 MB | Shaun Ewing | Mar 23, 1926 00:00 | US-1577515-A // Selective signaling circuits for carrier systems // Bonell Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1464565.pdf | 1.35 MB | Shaun Ewing | Aug 14, 1923 00:00 |
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US-1464565-A // Call system for radiotelephony // Espenschied Lloyd ; Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Aug 14, 1923 00:00 | US-1464565-A // Call system for radiotelephony // Espenschied Lloyd ; Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1738522.pdf | 1.34 MB | Shaun Ewing | Dec 10, 1929 00:00 |
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US-1738522-A // Electromagnetic wave signaling system // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Dec 10, 1929 00:00 | US-1738522-A // Electromagnetic wave signaling system // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1671143.pdf | 1.33 MB | Shaun Ewing | May 29, 1928 00:00 |
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US-1671143-A // Wave translator // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | May 29, 1928 00:00 | US-1671143-A // Wave translator // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1695312.pdf | 1.33 MB | Shaun Ewing | Dec 18, 1928 00:00 |
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US-1695312-A // Telephone system // Abbott Henry H. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | Dec 18, 1928 00:00 | US-1695312-A // Telephone system // Abbott Henry H. // American Telephone & Telegraph | ||||
| PDF File 1618193.pdf | 1.33 MB | Shaun Ewing | Feb 22, 1927 00:00 |
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US-1618193-A // Telegraph system // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | Feb 22, 1927 00:00 | US-1618193-A // Telegraph system // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1412490.pdf | 1.32 MB | Shaun Ewing | Apr 11, 1922 00:00 |
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US-1412490-A // Signaling system // Rhodes William A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Apr 11, 1922 00:00 | US-1412490-A // Signaling system // Rhodes William A. // American Telephone & Telegraph | ||||
| PDF File 1695314.pdf | 1.32 MB | Shaun Ewing | Dec 18, 1928 00:00 |
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US-1695314-A // Telephone system // Bascom Henry M. ; Abbott Henry H. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Dec 18, 1928 00:00 | US-1695314-A // Telephone system // Bascom Henry M. ; Abbott Henry H. // American Telephone & Telegraph | ||||
| PDF File 1619891.pdf | 1.31 MB | Shaun Ewing | Mar 08, 1927 00:00 |
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US-1619891-A // Echo-suppressor relay // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | Mar 08, 1927 00:00 | US-1619891-A // Echo-suppressor relay // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1772165.pdf | 1.27 MB | Shaun Ewing | Aug 05, 1930 00:00 |
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US-1772165-A // Multiplex broadcast system // Taylor Edmund R. ; Hanson Oscar B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Aug 05, 1930 00:00 | US-1772165-A // Multiplex broadcast system // Taylor Edmund R. ; Hanson Oscar B. // American Telephone & Telegraph | ||||
| PDF File 1553417.pdf | 1.27 MB | Shaun Ewing | Sept 15, 1925 00:00 |
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US-1553417-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Sept 15, 1925 00:00 | US-1553417-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1769969.pdf | 1.26 MB | Shaun Ewing | Jul 08, 1930 00:00 |
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US-1769969-A // Neutralizing transformer arrangement // Shaw Thomas // American Telephone & Telegraph | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Jul 08, 1930 00:00 | US-1769969-A // Neutralizing transformer arrangement // Shaw Thomas // American Telephone & Telegraph | ||||
| PDF File 1553489.pdf | 1.26 MB | Shaun Ewing | Sept 15, 1925 00:00 |
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US-1553489-A // Telephone system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Sept 15, 1925 00:00 | US-1553489-A // Telephone system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1504303.pdf | 1.26 MB | Shaun Ewing | Aug 12, 1924 00:00 |
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US-1504303-A // Method of and means for reducing static disturbances // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Aug 12, 1924 00:00 | US-1504303-A // Method of and means for reducing static disturbances // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1514645.pdf | 1.25 MB | Shaun Ewing | Nov 11, 1924 00:00 |
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US-1514645-A // Private-branch-exchange circuits // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Nov 11, 1924 00:00 | US-1514645-A // Private-branch-exchange circuits // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1689263.pdf | 1.25 MB | Shaun Ewing | Oct 30, 1928 00:00 |
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US-1689263-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Oct 30, 1928 00:00 | US-1689263-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1751509.pdf | 1.25 MB | Shaun Ewing | Mar 25, 1930 00:00 |
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US-1751509-A // Electric soldering machine // Cunningham James // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Mar 25, 1930 00:00 | US-1751509-A // Electric soldering machine // Cunningham James // American Telephone & Telegraph | ||||
| PDF File 1493619.pdf | 1.25 MB | Shaun Ewing | May 13, 1924 00:00 |
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US-1493619-A // Carrier-transmission system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | May 13, 1924 00:00 | US-1493619-A // Carrier-transmission system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1555002.pdf | 1.24 MB | Shaun Ewing | Sept 29, 1925 00:00 |
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US-1555002-A // Telephone-exchange system // Gray Ernest A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Sept 29, 1925 00:00 | US-1555002-A // Telephone-exchange system // Gray Ernest A. // American Telephone & Telegraph |
