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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1568142.pdf | 486 kB | Shaun Ewing | Jan 05, 1926 00:00 |
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US-1568142-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Jan 05, 1926 00:00 | US-1568142-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | ||||
| PDF File 1658095.pdf | 486 kB | Shaun Ewing | Feb 07, 1928 00:00 |
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US-1658095-A // Feeding device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Feb 07, 1928 00:00 | US-1658095-A // Feeding device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | ||||
| PDF File 1752326.pdf | 486 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752326-A // Reduction of static interference in carrier systems // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752326-A // Reduction of static interference in carrier systems // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1529801.pdf | 483 kB | Shaun Ewing | Mar 17, 1925 00:00 |
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US-1529801-A // Multiplex submarine cable // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 483 kB | Shaun Ewing | Mar 17, 1925 00:00 | US-1529801-A // Multiplex submarine cable // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1564203.pdf | 482 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564203-A // Receiver shunt // Clark Alva B. ; Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564203-A // Receiver shunt // Clark Alva B. ; Crisson George // American Telephone & Telegraph | ||||
| PDF File 1752330.pdf | 481 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752330-A // Suppression of interference in carrier telegraph systems // Clapp Robert H. // American Telephone & Telegraph | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752330-A // Suppression of interference in carrier telegraph systems // Clapp Robert H. // American Telephone & Telegraph | ||||
| PDF File 1653082.pdf | 481 kB | Shaun Ewing | Dec 20, 1927 00:00 |
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US-1653082-A // Volume indicator // Bailey Austin // American Telephone & Telegraph | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Dec 20, 1927 00:00 | US-1653082-A // Volume indicator // Bailey Austin // American Telephone & Telegraph | ||||
| PDF File 1626724.pdf | 480 kB | Shaun Ewing | May 03, 1927 00:00 |
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US-1626724-A // Frequency-controlling system // Demarest Charles S. ; Almquist Milton L. // American Telephone & Telegraph | |||
| Version 1 (current) | 480 kB | Shaun Ewing | May 03, 1927 00:00 | US-1626724-A // Frequency-controlling system // Demarest Charles S. ; Almquist Milton L. // American Telephone & Telegraph | ||||
| PDF File 1666154.pdf | 480 kB | Shaun Ewing | Apr 17, 1928 00:00 |
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US-1666154-A // Distribution of programs over wires // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 480 kB | Shaun Ewing | Apr 17, 1928 00:00 | US-1666154-A // Distribution of programs over wires // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1597817.pdf | 480 kB | Shaun Ewing | Aug 31, 1926 00:00 |
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US-1597817-A // Multiplex signaling system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 480 kB | Shaun Ewing | Aug 31, 1926 00:00 | US-1597817-A // Multiplex signaling system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1772508.pdf | 479 kB | Shaun Ewing | Aug 12, 1930 00:00 |
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US-1772508-A // Voltage-limiting device // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Aug 12, 1930 00:00 | US-1772508-A // Voltage-limiting device // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1617482.pdf | 479 kB | Shaun Ewing | Feb 15, 1927 00:00 |
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US-1617482-A // Intermediate telegraph set for duplex lines // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Feb 15, 1927 00:00 | US-1617482-A // Intermediate telegraph set for duplex lines // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1660405.pdf | 479 kB | Shaun Ewing | Feb 28, 1928 00:00 |
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US-1660405-A // High-frequency-measuring system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Feb 28, 1928 00:00 | US-1660405-A // High-frequency-measuring system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1724898.pdf | 479 kB | Shaun Ewing | Aug 20, 1929 00:00 |
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US-1724898-A // Telephone system // Bailey Rand S. ; Eagon Lloyd L. // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Aug 20, 1929 00:00 | US-1724898-A // Telephone system // Bailey Rand S. ; Eagon Lloyd L. // American Telephone & Telegraph | ||||
| PDF File 1698777.pdf | 479 kB | Shaun Ewing | Jan 15, 1929 00:00 |
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US-1698777-A // Radiorepeater // Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Jan 15, 1929 00:00 | US-1698777-A // Radiorepeater // Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1778085.pdf | 479 kB | Shaun Ewing | Oct 14, 1930 00:00 |
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US-1778085-A // Distortionless amplifying system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778085-A // Distortionless amplifying system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1658851.pdf | 478 kB | Shaun Ewing | Feb 14, 1928 00:00 |
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US-1658851-A // Directive radio repeating system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Feb 14, 1928 00:00 | US-1658851-A // Directive radio repeating system // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1559638.pdf | 478 kB | Shaun Ewing | Nov 03, 1925 00:00 |
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US-1559638-A // Wave filter // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Nov 03, 1925 00:00 | US-1559638-A // Wave filter // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1502816.pdf | 477 kB | Shaun Ewing | Jul 29, 1924 00:00 |
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US-1502816-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 477 kB | Shaun Ewing | Jul 29, 1924 00:00 | US-1502816-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1432829.pdf | 476 kB | Shaun Ewing | Oct 24, 1922 00:00 |
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US-1432829-A // Electrical testing system // Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 476 kB | Shaun Ewing | Oct 24, 1922 00:00 | US-1432829-A // Electrical testing system // Best Fred H. // American Telephone & Telegraph |
