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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1805596.pdf | 802 kB | Shaun Ewing | May 19, 1931 00:00 |
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US-1805596-A // Signaling system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 802 kB | Shaun Ewing | May 19, 1931 00:00 | US-1805596-A // Signaling system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1861556.pdf | 799 kB | Shaun Ewing | Jun 07, 1932 00:00 |
|
US-1861556-A // Cable reel trailer // Smith Temple C. ; Livermore William T. // American Telephone & Telegraph | |||
| Version 1 (current) | 799 kB | Shaun Ewing | Jun 07, 1932 00:00 | US-1861556-A // Cable reel trailer // Smith Temple C. ; Livermore William T. // American Telephone & Telegraph | ||||
| PDF File 2064540.pdf | 799 kB | Shaun Ewing | Dec 15, 1936 00:00 |
|
US-2064540-A // Automatic line level regulation of multiple channel television systems // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 799 kB | Shaun Ewing | Dec 15, 1936 00:00 | US-2064540-A // Automatic line level regulation of multiple channel television systems // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1944961.pdf | 799 kB | Shaun Ewing | Jan 30, 1934 00:00 |
|
US-1944961-A // Telephone system // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 799 kB | Shaun Ewing | Jan 30, 1934 00:00 | US-1944961-A // Telephone system // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 2084457.pdf | 798 kB | Shaun Ewing | Jun 22, 1937 00:00 |
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US-2084457-A // Transmission system // Schott Lionel // American Telephone & Telegraph | |||
| Version 1 (current) | 798 kB | Shaun Ewing | Jun 22, 1937 00:00 | US-2084457-A // Transmission system // Schott Lionel // American Telephone & Telegraph | ||||
| PDF File 2047427.pdf | 798 kB | Shaun Ewing | Jul 14, 1936 00:00 |
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US-2047427-A // Pressure contactor // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 798 kB | Shaun Ewing | Jul 14, 1936 00:00 | US-2047427-A // Pressure contactor // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 2141281.pdf | 795 kB | Shaun Ewing | Dec 27, 1938 00:00 |
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US-2141281-A // Wave transmission // Southworth George Clark // American Telephone & Telegraph | |||
| Version 1 (current) | 795 kB | Shaun Ewing | Dec 27, 1938 00:00 | US-2141281-A // Wave transmission // Southworth George Clark // American Telephone & Telegraph | ||||
| PDF File 2048080.pdf | 794 kB | Shaun Ewing | Jul 21, 1936 00:00 |
|
US-2048080-A // Signaling with high frequency waves // Potter Ralph Kimball // American Telephone & Telegraph | |||
| Version 1 (current) | 794 kB | Shaun Ewing | Jul 21, 1936 00:00 | US-2048080-A // Signaling with high frequency waves // Potter Ralph Kimball // American Telephone & Telegraph | ||||
| PDF File 1977255.pdf | 794 kB | Shaun Ewing | Oct 16, 1934 00:00 |
|
US-1977255-A // Parallel operated gas filled tube // Swart Leland K. // American Telephone & Telegraph | |||
| Version 1 (current) | 794 kB | Shaun Ewing | Oct 16, 1934 00:00 | US-1977255-A // Parallel operated gas filled tube // Swart Leland K. // American Telephone & Telegraph | ||||
| PDF File 1973027.pdf | 790 kB | Shaun Ewing | Sept 11, 1934 00:00 |
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US-1973027-A // Transmission system // Taylor Charles Chance // American Telephone & Telegraph | |||
| Version 1 (current) | 790 kB | Shaun Ewing | Sept 11, 1934 00:00 | US-1973027-A // Transmission system // Taylor Charles Chance // American Telephone & Telegraph | ||||
| PDF File 2184912.pdf | 790 kB | Shaun Ewing | Dec 26, 1939 00:00 |
|
US-2184912-A // Cable and wire laying machine // Freeman Albert Edward ; Smith Temple Clifford // American Telephone & Telegraph | |||
| Version 1 (current) | 790 kB | Shaun Ewing | Dec 26, 1939 00:00 | US-2184912-A // Cable and wire laying machine // Freeman Albert Edward ; Smith Temple Clifford // American Telephone & Telegraph | ||||
| PDF File 1889053.pdf | 785 kB | Shaun Ewing | Nov 29, 1932 00:00 |
|
US-1889053-A // Annunciator system // Nelson Stanley F. // American Telephone & Telegraph | |||
| Version 1 (current) | 785 kB | Shaun Ewing | Nov 29, 1932 00:00 | US-1889053-A // Annunciator system // Nelson Stanley F. // American Telephone & Telegraph | ||||
| PDF File 2084422.pdf | 785 kB | Shaun Ewing | Jun 22, 1937 00:00 |
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US-2084422-A // Telephone transmission circuit // Wright Sumner Bisbee // American Telephone & Telegraph | |||
| Version 1 (current) | 785 kB | Shaun Ewing | Jun 22, 1937 00:00 | US-2084422-A // Telephone transmission circuit // Wright Sumner Bisbee // American Telephone & Telegraph | ||||
| PDF File 2111023.pdf | 779 kB | Shaun Ewing | Mar 15, 1938 00:00 |
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US-2111023-A // Noise and cross-talk reduction in telephone communication circuits // Dixon John Tillotson // American Telephone & Telegraph | |||
| Version 1 (current) | 779 kB | Shaun Ewing | Mar 15, 1938 00:00 | US-2111023-A // Noise and cross-talk reduction in telephone communication circuits // Dixon John Tillotson // American Telephone & Telegraph | ||||
| PDF File 1959494.pdf | 778 kB | Shaun Ewing | May 22, 1934 00:00 |
|
US-1959494-A // System for voltage transformation of currents of wide frequency range // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 778 kB | Shaun Ewing | May 22, 1934 00:00 | US-1959494-A // System for voltage transformation of currents of wide frequency range // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1825723.pdf | 775 kB | Shaun Ewing | Oct 06, 1931 00:00 |
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US-1825723-A // Telephone system // Friend Otto A. ; Heitsmith William J. // American Telephone & Telegraph | |||
| Version 1 (current) | 775 kB | Shaun Ewing | Oct 06, 1931 00:00 | US-1825723-A // Telephone system // Friend Otto A. ; Heitsmith William J. // American Telephone & Telegraph | ||||
| PDF File 1878711.pdf | 775 kB | Shaun Ewing | Sept 20, 1932 00:00 |
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US-1878711-A // Electrooptical transmission system // Reynolds Frederick W. // American Telephone & Telegraph | |||
| Version 1 (current) | 775 kB | Shaun Ewing | Sept 20, 1932 00:00 | US-1878711-A // Electrooptical transmission system // Reynolds Frederick W. // American Telephone & Telegraph | ||||
| PDF File 1934687.pdf | 773 kB | Shaun Ewing | Nov 14, 1933 00:00 |
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US-1934687-A // Telegraph system // Gardner Leland A. // American Telephone & Telegraph | |||
| Version 1 (current) | 773 kB | Shaun Ewing | Nov 14, 1933 00:00 | US-1934687-A // Telegraph system // Gardner Leland A. // American Telephone & Telegraph | ||||
| PDF File 2017180.pdf | 771 kB | Shaun Ewing | Oct 15, 1935 00:00 |
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US-2017180-A // Communication amplifier with feed-back // Cowan Frank A. // American Telephone & Telegraph | |||
| Version 1 (current) | 771 kB | Shaun Ewing | Oct 15, 1935 00:00 | US-2017180-A // Communication amplifier with feed-back // Cowan Frank A. // American Telephone & Telegraph | ||||
| PDF File 1833968.pdf | 771 kB | Shaun Ewing | Dec 01, 1931 00:00 |
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US-1833968-A // Amplifying system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 771 kB | Shaun Ewing | Dec 01, 1931 00:00 | US-1833968-A // Amplifying system // Holden William H. T. // American Telephone & Telegraph |
