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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1738524.pdf | 367 kB | Shaun Ewing | Dec 10, 1929 00:00 |
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US-1738524-A // Device for locking evacuated tubes // Christopher Harry J. // American Telephone & Telegraph | |||
| Version 1 (current) | 367 kB | Shaun Ewing | Dec 10, 1929 00:00 | US-1738524-A // Device for locking evacuated tubes // Christopher Harry J. // American Telephone & Telegraph | ||||
| PDF File 1738522.pdf | 1.34 MB | Shaun Ewing | Dec 10, 1929 00:00 |
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US-1738522-A // Electromagnetic wave signaling system // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Dec 10, 1929 00:00 | US-1738522-A // Electromagnetic wave signaling system // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1738519.pdf | 2.48 MB | Shaun Ewing | Dec 10, 1929 00:00 |
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US-1738519-A // Signaling system for subscribers' telephone circuits // Abbott Henry H. // American Telephone & Telegraph | |||
| Version 1 (current) | 2.48 MB | Shaun Ewing | Dec 10, 1929 00:00 | US-1738519-A // Signaling system for subscribers' telephone circuits // Abbott Henry H. // American Telephone & Telegraph | ||||
| PDF File 1738000.pdf | 469 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1738000-A // Means for and method of volume control of transmission // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738000-A // Means for and method of volume control of transmission // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1737992.pdf | 382 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1737992-A // Volume-control system // Bostwick Lee G. // American Telephone & Telegraph | |||
| Version 1 (current) | 382 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1737992-A // Volume-control system // Bostwick Lee G. // American Telephone & Telegraph | ||||
| PDF File 1737830.pdf | 1.20 MB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1737830-A // Means for and method of volume control of transmission // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Dec 03, 1929 00:00 | US-1737830-A // Means for and method of volume control of transmission // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1737672.pdf | 390 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1737672-A // Radio printing-telegraph system // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 390 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1737672-A // Radio printing-telegraph system // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1737671.pdf | 401 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1737671-A // Multichannel radio printing-telegraph system // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 401 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1737671-A // Multichannel radio printing-telegraph system // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1737668.pdf | 650 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1737668-A // Signaling system // Morehouse Lyman F. ; Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 650 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1737668-A // Signaling system // Morehouse Lyman F. ; Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1737652.pdf | 410 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1737652-A // Ballast lamp and filament-activity test for repeaters // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 410 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1737652-A // Ballast lamp and filament-activity test for repeaters // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1737640.pdf | 663 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1737640-A // Machine for producing insulating sleeves // Channell James W. // American Telephone & Telegraph | |||
| Version 1 (current) | 663 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1737640-A // Machine for producing insulating sleeves // Channell James W. // American Telephone & Telegraph | ||||
| PDF File 1736816.pdf | 398 kB | Shaun Ewing | Nov 26, 1929 00:00 |
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US-1736816-A // Alternating-current relay // Almquist Milton L. // American Telephone & Telegraph | |||
| Version 1 (current) | 398 kB | Shaun Ewing | Nov 26, 1929 00:00 | US-1736816-A // Alternating-current relay // Almquist Milton L. // American Telephone & Telegraph | ||||
| PDF File 1736814.pdf | 422 kB | Shaun Ewing | Nov 26, 1929 00:00 |
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US-1736814-A // Electrical transposition system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 422 kB | Shaun Ewing | Nov 26, 1929 00:00 | US-1736814-A // Electrical transposition system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1736785.pdf | 529 kB | Shaun Ewing | Nov 26, 1929 00:00 |
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US-1736785-A // Measuring system // Haines William T. // American Telephone & Telegraph | |||
| Version 1 (current) | 529 kB | Shaun Ewing | Nov 26, 1929 00:00 | US-1736785-A // Measuring system // Haines William T. // American Telephone & Telegraph | ||||
| PDF File 1736783.pdf | 619 kB | Shaun Ewing | Nov 26, 1929 00:00 |
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US-1736783-A // Measurement of electrical resistance // Gary Laurence A. ; Tasker Homer G. // American Telephone & Telegraph | |||
| Version 1 (current) | 619 kB | Shaun Ewing | Nov 26, 1929 00:00 | US-1736783-A // Measurement of electrical resistance // Gary Laurence A. ; Tasker Homer G. // American Telephone & Telegraph | ||||
| PDF File 1735943.pdf | 504 kB | Shaun Ewing | Nov 19, 1929 00:00 |
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US-1735943-A // Method of and means for testing telegraph transmission // Watson Edward Fisk ; Swezey Burdette Stevens // American Telephone & Telegraph | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Nov 19, 1929 00:00 | US-1735943-A // Method of and means for testing telegraph transmission // Watson Edward Fisk ; Swezey Burdette Stevens // American Telephone & Telegraph | ||||
| PDF File 1735939.pdf | 155 kB | Shaun Ewing | Nov 19, 1929 00:00 |
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US-1735939-A // Drive ring // John Everett St. // American Telephone & Telegraph | |||
| Version 1 (current) | 155 kB | Shaun Ewing | Nov 19, 1929 00:00 | US-1735939-A // Drive ring // John Everett St. // American Telephone & Telegraph | ||||
| PDF File 1735933.pdf | 492 kB | Shaun Ewing | Nov 19, 1929 00:00 |
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US-1735933-A // Method of testing telegraph transmission // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Nov 19, 1929 00:00 | US-1735933-A // Method of testing telegraph transmission // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1735905.pdf | 263 kB | Shaun Ewing | Nov 19, 1929 00:00 |
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US-1735905-A // Microphone mounting // Martin William H. ; Strieby Maurice E. // American Telephone & Telegraph | |||
| Version 1 (current) | 263 kB | Shaun Ewing | Nov 19, 1929 00:00 | US-1735905-A // Microphone mounting // Martin William H. ; Strieby Maurice E. // American Telephone & Telegraph | ||||
| PDF File 1735742.pdf | 474 kB | Shaun Ewing | Nov 12, 1929 00:00 |
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US-1735742-A // Wave filter // Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 474 kB | Shaun Ewing | Nov 12, 1929 00:00 | US-1735742-A // Wave filter // Fetter Charles H. // American Telephone & Telegraph |
