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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1644004.pdf | 1.01 MB | Shaun Ewing | Oct 04, 1927 00:00 |
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US-1644004-A // Electrical wave filter // Zobel Otto J. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Oct 04, 1927 00:00 | US-1644004-A // Electrical wave filter // Zobel Otto J. // American Telephone & Telegraph | ||||
| PDF File 1644014.pdf | 209 kB | Shaun Ewing | Oct 04, 1927 00:00 |
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US-1644014-A // Carbon-monoxide detector // Gordon Chester S. ; Lowe James T. // American Telephone & Telegraph | |||
| Version 1 (current) | 209 kB | Shaun Ewing | Oct 04, 1927 00:00 | US-1644014-A // Carbon-monoxide detector // Gordon Chester S. ; Lowe James T. // American Telephone & Telegraph | ||||
| PDF File 1644024.pdf | 406 kB | Shaun Ewing | Oct 04, 1927 00:00 |
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US-1644024-A // Lighting circuit // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 406 kB | Shaun Ewing | Oct 04, 1927 00:00 | US-1644024-A // Lighting circuit // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1644727.pdf | 666 kB | Shaun Ewing | Oct 11, 1927 00:00 |
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US-1644727-A // By-pass selector circuit // Jacobsen Emil // American Telephone & Telegraph | |||
| Version 1 (current) | 666 kB | Shaun Ewing | Oct 11, 1927 00:00 | US-1644727-A // By-pass selector circuit // Jacobsen Emil // American Telephone & Telegraph | ||||
| PDF File 1644745.pdf | 775 kB | Shaun Ewing | Oct 11, 1927 00:00 |
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US-1644745-A // Transmission-level-control system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 775 kB | Shaun Ewing | Oct 11, 1927 00:00 | US-1644745-A // Transmission-level-control system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1645573.pdf | 802 kB | Shaun Ewing | Oct 18, 1927 00:00 |
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US-1645573-A // Telephone-exchange system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 802 kB | Shaun Ewing | Oct 18, 1927 00:00 | US-1645573-A // Telephone-exchange system // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1645607.pdf | 710 kB | Shaun Ewing | Oct 18, 1927 00:00 |
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US-1645607-A // System of synchronizing signaling apparatus // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 710 kB | Shaun Ewing | Oct 18, 1927 00:00 | US-1645607-A // System of synchronizing signaling apparatus // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1645618.pdf | 661 kB | Shaun Ewing | Oct 18, 1927 00:00 |
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US-1645618-A // Method and apparatus for measuring transmission delay // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 661 kB | Shaun Ewing | Oct 18, 1927 00:00 | US-1645618-A // Method and apparatus for measuring transmission delay // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1646438.pdf | 497 kB | Shaun Ewing | Oct 25, 1927 00:00 |
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US-1646438-A // Harmonic generator // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 497 kB | Shaun Ewing | Oct 25, 1927 00:00 | US-1646438-A // Harmonic generator // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1646439.pdf | 539 kB | Shaun Ewing | Oct 25, 1927 00:00 |
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US-1646439-A // Harmonic generator // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 539 kB | Shaun Ewing | Oct 25, 1927 00:00 | US-1646439-A // Harmonic generator // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1646444.pdf | 411 kB | Shaun Ewing | Oct 25, 1927 00:00 |
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US-1646444-A // Protection circuits // Carpe Allen ; Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 411 kB | Shaun Ewing | Oct 25, 1927 00:00 | US-1646444-A // Protection circuits // Carpe Allen ; Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1647192.pdf | 583 kB | Shaun Ewing | Nov 01, 1927 00:00 |
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US-1647192-A // Apparatus for controlling the frequency of an alternating current // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 583 kB | Shaun Ewing | Nov 01, 1927 00:00 | US-1647192-A // Apparatus for controlling the frequency of an alternating current // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1647212.pdf | 887 kB | Shaun Ewing | Nov 01, 1927 00:00 |
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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 1647796.pdf | 1.07 MB | Shaun Ewing | Nov 01, 1927 00:00 |
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US-1647796-A // Telephone system // Glezen Lee L. ; Shackleton Samuel P. ; Vroom Edward // Western Electric Co ; American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Nov 01, 1927 00:00 | US-1647796-A // Telephone system // Glezen Lee L. ; Shackleton Samuel P. ; Vroom Edward // Western Electric Co ; American Telephone & Telegraph | ||||
| PDF File 1648058.pdf | 550 kB | Shaun Ewing | Nov 08, 1927 00:00 |
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US-1648058-A // Electrovision // Parker Ralzemond D. // American Telephone & Telegraph | |||
| Version 1 (current) | 550 kB | Shaun Ewing | Nov 08, 1927 00:00 | US-1648058-A // Electrovision // Parker Ralzemond D. // American Telephone & Telegraph | ||||
| PDF File 1648079.pdf | 855 kB | Shaun Ewing | Nov 08, 1927 00:00 |
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US-1648079-A // Testing system for telephone cord circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 855 kB | Shaun Ewing | Nov 08, 1927 00:00 | US-1648079-A // Testing system for telephone cord circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1648145.pdf | 315 kB | Shaun Ewing | Nov 08, 1927 00:00 |
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US-1648145-A // Method and apparatus for compensating distortion on long loaded lines // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Nov 08, 1927 00:00 | US-1648145-A // Method and apparatus for compensating distortion on long loaded lines // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1648922.pdf | 493 kB | Shaun Ewing | Nov 15, 1927 00:00 |
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US-1648922-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Nov 15, 1927 00:00 | US-1648922-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1648974.pdf | 352 kB | Shaun Ewing | Nov 15, 1927 00:00 |
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US-1648974-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Nov 15, 1927 00:00 | US-1648974-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1648975.pdf | 526 kB | Shaun Ewing | Nov 15, 1927 00:00 |
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US-1648975-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 526 kB | Shaun Ewing | Nov 15, 1927 00:00 | US-1648975-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph |
