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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1566345.pdf | 765 kB | Shaun Ewing | Dec 22, 1925 00:00 |
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US-1566345-A // Trunk circuits // Peterson George H. // American Telephone & Telegraph | |||
| Version 1 (current) | 765 kB | Shaun Ewing | Dec 22, 1925 00:00 | US-1566345-A // Trunk circuits // Peterson George H. // American Telephone & Telegraph | ||||
| PDF File 1566337.pdf | 340 kB | Shaun Ewing | Dec 22, 1925 00:00 |
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US-1566337-A // Sound radiator // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 340 kB | Shaun Ewing | Dec 22, 1925 00:00 | US-1566337-A // Sound radiator // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1566311.pdf | 460 kB | Shaun Ewing | Dec 22, 1925 00:00 |
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US-1566311-A // Telephone-repeater circuits // Clark Alva B. ; Hoyt Ray S. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Dec 22, 1925 00:00 | US-1566311-A // Telephone-repeater circuits // Clark Alva B. ; Hoyt Ray S. // American Telephone & Telegraph | ||||
| PDF File 1566295.pdf | 317 kB | Shaun Ewing | Dec 22, 1925 00:00 |
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US-1566295-A // Printing-telegraph system // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Dec 22, 1925 00:00 | US-1566295-A // Printing-telegraph system // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1565555.pdf | 391 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565555-A // Arrangement for automatically controlling volume output // Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 391 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565555-A // Arrangement for automatically controlling volume output // Fetter Charles H. // American Telephone & Telegraph | ||||
| PDF File 1565548.pdf | 949 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565548-A // Arrangement for controlling volume range // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 949 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565548-A // Arrangement for controlling volume range // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1565544.pdf | 932 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565544-A // Radio transmission system // Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 932 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565544-A // Radio transmission system // Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1565540.pdf | 427 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565540-A // Automatic volume regulation of transmission systems // Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 427 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565540-A // Automatic volume regulation of transmission systems // Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1565522.pdf | 463 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565522-A // Carrier-current multiplex signaling system // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565522-A // Carrier-current multiplex signaling system // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1565521.pdf | 1.38 MB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565521-A // Secret-communication system // Stone John Stone ; Rose Claude Custer // American Telephone & Telegraph | |||
| Version 1 (current) | 1.38 MB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565521-A // Secret-communication system // Stone John Stone ; Rose Claude Custer // American Telephone & Telegraph | ||||
| PDF File 1565491.pdf | 699 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565491-A // Volume control of transmission // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 699 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565491-A // Volume control of transmission // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1565441.pdf | 676 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565441-A // Automatic volume regulation of transmission systems // Hamilton Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 676 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565441-A // Automatic volume regulation of transmission systems // Hamilton Harold S. // American Telephone & Telegraph | ||||
| PDF File 1565358.pdf | 117 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565358-A // Alloy for electrical contacts // Gardner Leland A. // American Telephone & Telegraph | |||
| Version 1 (current) | 117 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565358-A // Alloy for electrical contacts // Gardner Leland A. // American Telephone & Telegraph | ||||
| PDF File 1565343.pdf | 867 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565343-A // Printing-telegraph-exchange system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 867 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565343-A // Printing-telegraph-exchange system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1565325.pdf | 369 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565325-A // Means for regulating motors // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 369 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565325-A // Means for regulating motors // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1564266.pdf | 466 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564266-A // Electrical transformer // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564266-A // Electrical transformer // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1564259.pdf | 549 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564259-A // Electrical testing system // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 549 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564259-A // Electrical testing system // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1564224.pdf | 807 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564224-A // Modulating apparatus for telegraph signals // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 807 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564224-A // Modulating apparatus for telegraph signals // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1564203.pdf | 482 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564203-A // Receiver shunt // Clark Alva B. ; Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564203-A // Receiver shunt // Clark Alva B. ; Crisson George // American Telephone & Telegraph | ||||
| PDF File 1564201.pdf | 404 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564201-A // Loading system // Carson John R. ; Clark Alva B. ; Mills John // American Telephone & Telegraph | |||
| Version 1 (current) | 404 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564201-A // Loading system // Carson John R. ; Clark Alva B. ; Mills John // American Telephone & Telegraph |
