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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1742293.pdf | 674 kB | Shaun Ewing | Jan 07, 1930 00:00 |
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US-1742293-A // Tape cutting and pasting device // Watson Edward F. ; Swezey Burdette S. // American Telephone & Telegraph | |||
| Version 1 (current) | 674 kB | Shaun Ewing | Jan 07, 1930 00:00 | US-1742293-A // Tape cutting and pasting device // Watson Edward F. ; Swezey Burdette S. // American Telephone & Telegraph | ||||
| PDF File 1742291.pdf | 394 kB | Shaun Ewing | Jan 07, 1930 00:00 |
|
US-1742291-A // Selective signaling system // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 394 kB | Shaun Ewing | Jan 07, 1930 00:00 | US-1742291-A // Selective signaling system // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1742252.pdf | 443 kB | Shaun Ewing | Jan 07, 1930 00:00 |
|
US-1742252-A // Piezo-electric frequency eliminator // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 443 kB | Shaun Ewing | Jan 07, 1930 00:00 | US-1742252-A // Piezo-electric frequency eliminator // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1742251.pdf | 544 kB | Shaun Ewing | Jan 07, 1930 00:00 |
|
US-1742251-A // Amplifying system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 544 kB | Shaun Ewing | Jan 07, 1930 00:00 | US-1742251-A // Amplifying system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1742243.pdf | 275 kB | Shaun Ewing | Jan 07, 1930 00:00 |
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US-1742243-A // Cable clamp and bridle ring // Fish Lewin B. // American Telephone & Telegraph | |||
| Version 1 (current) | 275 kB | Shaun Ewing | Jan 07, 1930 00:00 | US-1742243-A // Cable clamp and bridle ring // Fish Lewin B. // American Telephone & Telegraph | ||||
| PDF File 1741926.pdf | 707 kB | Shaun Ewing | Dec 31, 1929 00:00 |
|
US-1741926-A // Compound loading system // French Norman R. // American Telephone & Telegraph | |||
| Version 1 (current) | 707 kB | Shaun Ewing | Dec 31, 1929 00:00 | US-1741926-A // Compound loading system // French Norman R. // American Telephone & Telegraph | ||||
| PDF File 1741375.pdf | 151 kB | Shaun Ewing | Dec 31, 1929 00:00 |
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US-1741375-A // Current-equalizing device // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 151 kB | Shaun Ewing | Dec 31, 1929 00:00 | US-1741375-A // Current-equalizing device // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1741363.pdf | 436 kB | Shaun Ewing | Dec 31, 1929 00:00 |
|
US-1741363-A // Piezo-electric interference eliminator // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 436 kB | Shaun Ewing | Dec 31, 1929 00:00 | US-1741363-A // Piezo-electric interference eliminator // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1741356.pdf | 131 kB | Shaun Ewing | Dec 31, 1929 00:00 |
|
US-1741356-A // Protective device for electric circuits // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 131 kB | Shaun Ewing | Dec 31, 1929 00:00 | US-1741356-A // Protective device for electric circuits // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1741272.pdf | 668 kB | Shaun Ewing | Dec 31, 1929 00:00 |
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US-1741272-A // Telephone system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 668 kB | Shaun Ewing | Dec 31, 1929 00:00 | US-1741272-A // Telephone system // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1740856.pdf | 962 kB | Shaun Ewing | Dec 24, 1929 00:00 |
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US-1740856-A // Volume regulation in two-way telephone circuits // Herman Joseph ; Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 962 kB | Shaun Ewing | Dec 24, 1929 00:00 | US-1740856-A // Volume regulation in two-way telephone circuits // Herman Joseph ; Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1740621.pdf | 432 kB | Shaun Ewing | Dec 24, 1929 00:00 |
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US-1740621-A // Suppression of echoes and singing in four-wire circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Dec 24, 1929 00:00 | US-1740621-A // Suppression of echoes and singing in four-wire circuits // Nyquist Harry // 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 | ||||
| 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 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 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 1739520.pdf | 381 kB | Shaun Ewing | Dec 17, 1929 00:00 |
|
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 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 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 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 |
