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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 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 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 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 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 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 1738536.pdf | 550 kB | Shaun Ewing | Dec 10, 1929 00:00 |
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US-1738536-A // Echo suppressor // Mitchell Doren ; Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 550 kB | Shaun Ewing | Dec 10, 1929 00:00 | US-1738536-A // Echo suppressor // Mitchell Doren ; Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1738653.pdf | 302 kB | Shaun Ewing | Dec 10, 1929 00:00 |
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US-1738653-A // Telephone receiver // Inglis Alfred H. ; Guenther Raymond // American Telephone & Telegraph | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Dec 10, 1929 00:00 | US-1738653-A // Telephone receiver // Inglis Alfred H. ; Guenther Raymond // American Telephone & Telegraph | ||||
| PDF File 1739494.pdf | 399 kB | Shaun Ewing | Dec 17, 1929 00:00 |
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US-1739494-A // Piezo-electric interference eliminator // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 399 kB | Shaun Ewing | Dec 17, 1929 00:00 | US-1739494-A // Piezo-electric interference eliminator // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1739520.pdf | 381 kB | Shaun Ewing | Dec 17, 1929 00:00 |
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US-1739520-A // Radioreceiving circuits // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 381 kB | Shaun Ewing | Dec 17, 1929 00:00 | US-1739520-A // Radioreceiving circuits // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1739531.pdf | 697 kB | Shaun Ewing | Dec 17, 1929 00:00 |
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US-1739531-A // Remote control system // Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 697 kB | Shaun Ewing | Dec 17, 1929 00:00 | US-1739531-A // Remote control system // Taylor Edmund R. // American Telephone & Telegraph | ||||
| PDF File 1739532.pdf | 705 kB | Shaun Ewing | Dec 17, 1929 00:00 |
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US-1739532-A // Remote control of repeaters // Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Dec 17, 1929 00:00 | US-1739532-A // Remote control of repeaters // Taylor Edmund R. // American Telephone & Telegraph | ||||
| PDF File 1739606.pdf | 545 kB | Shaun Ewing | Dec 17, 1929 00:00 |
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US-1739606-A // Echo suppressor // Nyquist Harry ; Pfleger Kenneth W. // American Telephone & Telegraph | |||
| Version 1 (current) | 545 kB | Shaun Ewing | Dec 17, 1929 00:00 | US-1739606-A // Echo suppressor // Nyquist Harry ; Pfleger Kenneth W. // American Telephone & Telegraph | ||||
| PDF File 1740491.pdf | 673 kB | Shaun Ewing | Dec 24, 1929 00:00 |
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US-1740491-A // Compensation for phase variations // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 673 kB | Shaun Ewing | Dec 24, 1929 00:00 | US-1740491-A // Compensation for phase variations // Affel Herman A. // American Telephone & Telegraph |
