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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1904494.pdf | 489 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1904494-A // Tuning fork generator // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 489 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904494-A // Tuning fork generator // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1904227.pdf | 344 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1904227-A // Gas pressure alarm system for cables // Henneberger Thomas C. // American Telephone & Telegraph | |||
| Version 1 (current) | 344 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904227-A // Gas pressure alarm system for cables // Henneberger Thomas C. // American Telephone & Telegraph | ||||
| PDF File 1904226.pdf | 361 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1904226-A // Cable maintenance apparatus // Henneberger Thomas C. // American Telephone & Telegraph | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904226-A // Cable maintenance apparatus // Henneberger Thomas C. // American Telephone & Telegraph | ||||
| PDF File 1903999.pdf | 299 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1903999-A // Regulating system // Holden William H. T. ; Jutson Robert P. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 299 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903999-A // Regulating system // Holden William H. T. ; Jutson Robert P. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1903888.pdf | 863 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1903888-A // Two-way telephone system // Wright Sumner B. ; Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 863 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903888-A // Two-way telephone system // Wright Sumner B. ; Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 1903875.pdf | 632 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1903875-A // Transmission control // Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903875-A // Transmission control // Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 1902893.pdf | 911 kB | Shaun Ewing | Mar 28, 1933 00:00 |
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US-1902893-A // Signaling system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 911 kB | Shaun Ewing | Mar 28, 1933 00:00 | US-1902893-A // Signaling system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1902817.pdf | 1004 kB | Shaun Ewing | Mar 28, 1933 00:00 |
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US-1902817-A // Communication with moving trains // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 1004 kB | Shaun Ewing | Mar 28, 1933 00:00 | US-1902817-A // Communication with moving trains // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1902031.pdf | 380 kB | Shaun Ewing | Mar 21, 1933 00:00 |
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US-1902031-A // Filtering apparatus // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1902031-A // Filtering apparatus // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1902030.pdf | 254 kB | Shaun Ewing | Mar 21, 1933 00:00 |
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US-1902030-A // Gain control apparatus // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 254 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1902030-A // Gain control apparatus // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1900992.pdf | 822 kB | Shaun Ewing | Mar 14, 1933 00:00 |
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US-1900992-A // Impulse transmission system // Mccann Thomas A. // American Telephone & Telegraph | |||
| Version 1 (current) | 822 kB | Shaun Ewing | Mar 14, 1933 00:00 | US-1900992-A // Impulse transmission system // Mccann Thomas A. // American Telephone & Telegraph | ||||
| PDF File 1900976.pdf | 290 kB | Shaun Ewing | Mar 14, 1933 00:00 |
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US-1900976-A // Concentric conductor system // Carpe Allen ; Leibe Frank A. // American Telephone & Telegraph | |||
| Version 1 (current) | 290 kB | Shaun Ewing | Mar 14, 1933 00:00 | US-1900976-A // Concentric conductor system // Carpe Allen ; Leibe Frank A. // American Telephone & Telegraph | ||||
| PDF File 1900106.pdf | 475 kB | Shaun Ewing | Mar 07, 1933 00:00 |
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US-1900106-A // Bridging connection for program circuits // Hamilton Harold S. ; Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 475 kB | Shaun Ewing | Mar 07, 1933 00:00 | US-1900106-A // Bridging connection for program circuits // Hamilton Harold S. ; Crisson George // American Telephone & Telegraph | ||||
| PDF File 1900045.pdf | 502 kB | Shaun Ewing | Mar 07, 1933 00:00 |
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US-1900045-A // Two-way negative resistance repeater // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 502 kB | Shaun Ewing | Mar 07, 1933 00:00 | US-1900045-A // Two-way negative resistance repeater // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1898921.pdf | 245 kB | Shaun Ewing | Feb 21, 1933 00:00 |
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US-1898921-A // Remote control system // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 245 kB | Shaun Ewing | Feb 21, 1933 00:00 | US-1898921-A // Remote control system // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1898133.pdf | 474 kB | Shaun Ewing | Feb 21, 1933 00:00 |
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US-1898133-A // Gauge for testing eccentricity of insulators // Leibe Frank A. // American Telephone & Telegraph | |||
| Version 1 (current) | 474 kB | Shaun Ewing | Feb 21, 1933 00:00 | US-1898133-A // Gauge for testing eccentricity of insulators // Leibe Frank A. // American Telephone & Telegraph | ||||
| PDF File 1898118.pdf | 378 kB | Shaun Ewing | Feb 21, 1933 00:00 |
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US-1898118-A // Signaling system // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 378 kB | Shaun Ewing | Feb 21, 1933 00:00 | US-1898118-A // Signaling system // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1897533.pdf | 368 kB | Shaun Ewing | Feb 14, 1933 00:00 |
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US-1897533-A // Time control system for telephones // Richey Charles V. // American Telephone & Telegraph | |||
| Version 1 (current) | 368 kB | Shaun Ewing | Feb 14, 1933 00:00 | US-1897533-A // Time control system for telephones // Richey Charles V. // American Telephone & Telegraph | ||||
| PDF File 1897106.pdf | 482 kB | Shaun Ewing | Feb 14, 1933 00:00 |
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US-1897106-A // Telephone system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Feb 14, 1933 00:00 | US-1897106-A // Telephone system // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1896196.pdf | 481 kB | Shaun Ewing | Feb 07, 1933 00:00 |
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US-1896196-A // Telephone substation apparatus // Green Irving W. // American Telephone & Telegraph | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Feb 07, 1933 00:00 | US-1896196-A // Telephone substation apparatus // Green Irving W. // American Telephone & Telegraph |
