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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1666153.pdf | 909 kB | Shaun Ewing | Apr 17, 1928 00:00 |
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US-1666153-A // Program-selecting circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 909 kB | Shaun Ewing | Apr 17, 1928 00:00 | US-1666153-A // Program-selecting circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1550657.pdf | 908 kB | Shaun Ewing | Aug 25, 1925 00:00 |
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US-1550657-A // Ringing circuits for multiplex signaling // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 908 kB | Shaun Ewing | Aug 25, 1925 00:00 | US-1550657-A // Ringing circuits for multiplex signaling // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1674695.pdf | 908 kB | Shaun Ewing | Jun 26, 1928 00:00 |
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US-1674695-A // Radio telephone system // Nyquist Harry ; Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 908 kB | Shaun Ewing | Jun 26, 1928 00:00 | US-1674695-A // Radio telephone system // Nyquist Harry ; Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1512070.pdf | 906 kB | Shaun Ewing | Oct 21, 1924 00:00 |
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US-1512070-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 906 kB | Shaun Ewing | Oct 21, 1924 00:00 | US-1512070-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1602469.pdf | 901 kB | Shaun Ewing | Oct 12, 1926 00:00 |
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US-1602469-A // Electrical transmission of pictures // Watson Edward F. ; Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 901 kB | Shaun Ewing | Oct 12, 1926 00:00 | US-1602469-A // Electrical transmission of pictures // Watson Edward F. ; Weaver Allan // American Telephone & Telegraph | ||||
| PDF File 1759950.pdf | 901 kB | Shaun Ewing | May 27, 1930 00:00 |
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US-1759950-A // Alternating-current telegraph system // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 901 kB | Shaun Ewing | May 27, 1930 00:00 | US-1759950-A // Alternating-current telegraph system // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1433594.pdf | 900 kB | Shaun Ewing | Oct 31, 1922 00:00 |
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US-1433594-A // Telephone-exchange system // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 900 kB | Shaun Ewing | Oct 31, 1922 00:00 | US-1433594-A // Telephone-exchange system // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1757217.pdf | 900 kB | Shaun Ewing | May 06, 1930 00:00 |
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US-1757217-A // Telephone system // Rhodes William A. // American Telephone & Telegraph | |||
| Version 1 (current) | 900 kB | Shaun Ewing | May 06, 1930 00:00 | US-1757217-A // Telephone system // Rhodes William A. // American Telephone & Telegraph | ||||
| PDF File 1632012.pdf | 899 kB | Shaun Ewing | Jun 14, 1927 00:00 |
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US-1632012-A // Program-selecting circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 899 kB | Shaun Ewing | Jun 14, 1927 00:00 | US-1632012-A // Program-selecting circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1572757.pdf | 899 kB | Shaun Ewing | Feb 09, 1926 00:00 |
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US-1572757-A // Multiplex signaling system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 899 kB | Shaun Ewing | Feb 09, 1926 00:00 | US-1572757-A // Multiplex signaling system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1562485.pdf | 898 kB | Shaun Ewing | Nov 24, 1925 00:00 |
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US-1562485-A // Movement and position indicator // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 898 kB | Shaun Ewing | Nov 24, 1925 00:00 | US-1562485-A // Movement and position indicator // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1498568.pdf | 896 kB | Shaun Ewing | Jun 24, 1924 00:00 |
|
US-1498568-A // Equalization of carrier transmissions // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 896 kB | Shaun Ewing | Jun 24, 1924 00:00 | US-1498568-A // Equalization of carrier transmissions // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1694406.pdf | 895 kB | Shaun Ewing | Dec 11, 1928 00:00 |
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US-1694406-A // Telephone-exchange system // Bascom Henry M. ; Jacobsen Emil // American Telephone & Telegraph | |||
| Version 1 (current) | 895 kB | Shaun Ewing | Dec 11, 1928 00:00 | US-1694406-A // Telephone-exchange system // Bascom Henry M. ; Jacobsen Emil // American Telephone & Telegraph | ||||
| PDF File 1438270.pdf | 889 kB | Shaun Ewing | Dec 12, 1922 00:00 |
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US-1438270-A // Means for regulating the transmission over four-wire circuits // Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 889 kB | Shaun Ewing | Dec 12, 1922 00:00 | US-1438270-A // Means for regulating the transmission over four-wire circuits // Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1647212.pdf | 887 kB | Shaun Ewing | Nov 01, 1927 00:00 |
|
US-1647212-A // Vacuum-tube-echo suppressor // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Nov 01, 1927 00:00 | US-1647212-A // Vacuum-tube-echo suppressor // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1430808.pdf | 886 kB | Shaun Ewing | Oct 03, 1922 00:00 |
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US-1430808-A // Two-way impedance equalizer for transformers // Hoyt Ray S. // American Telephone & Telegraph | |||
| Version 1 (current) | 886 kB | Shaun Ewing | Oct 03, 1922 00:00 | US-1430808-A // Two-way impedance equalizer for transformers // Hoyt Ray S. // American Telephone & Telegraph | ||||
| PDF File 1672933.pdf | 885 kB | Shaun Ewing | Jun 12, 1928 00:00 |
|
US-1672933-A // Lineman's test set // Edwards William H. ; Niles Eliot W. // American Telephone & Telegraph | |||
| Version 1 (current) | 885 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1672933-A // Lineman's test set // Edwards William H. ; Niles Eliot W. // American Telephone & Telegraph | ||||
| PDF File 1628392.pdf | 882 kB | Shaun Ewing | May 10, 1927 00:00 |
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US-1628392-A // Telegraph distortion measuring system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 882 kB | Shaun Ewing | May 10, 1927 00:00 | US-1628392-A // Telegraph distortion measuring system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1617935.pdf | 880 kB | Shaun Ewing | Feb 15, 1927 00:00 |
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US-1617935-A // Multiplex telegraphy by phase discrimination // Affel Herman A. ; Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 880 kB | Shaun Ewing | Feb 15, 1927 00:00 | US-1617935-A // Multiplex telegraphy by phase discrimination // Affel Herman A. ; Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1720777.pdf | 879 kB | Shaun Ewing | Jul 16, 1929 00:00 |
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US-1720777-A // Electrical network // Zobel Otto J. // American Telephone & Telegraph | |||
| Version 1 (current) | 879 kB | Shaun Ewing | Jul 16, 1929 00:00 | US-1720777-A // Electrical network // Zobel Otto J. // American Telephone & Telegraph |
