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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 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 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 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 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 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 1567128.pdf | 268 kB | Shaun Ewing | Dec 29, 1925 00:00 |
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US-1567128-A // Wire program-transmission system // Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 268 kB | Shaun Ewing | Dec 29, 1925 00:00 | US-1567128-A // Wire program-transmission system // Fetter Charles H. // American Telephone & Telegraph | ||||
| PDF File 1567167.pdf | 781 kB | Shaun Ewing | Dec 29, 1925 00:00 |
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US-1567167-A // Four-wire repeater circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 781 kB | Shaun Ewing | Dec 29, 1925 00:00 | US-1567167-A // Four-wire repeater circuits // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1567204.pdf | 341 kB | Shaun Ewing | Dec 29, 1925 00:00 |
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US-1567204-A // Radio transmitting system // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 341 kB | Shaun Ewing | Dec 29, 1925 00:00 | US-1567204-A // Radio transmitting system // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1567208.pdf | 918 kB | Shaun Ewing | Dec 29, 1925 00:00 |
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US-1567208-A // Program transmission over wires // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 918 kB | Shaun Ewing | Dec 29, 1925 00:00 | US-1567208-A // Program transmission over wires // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1568141.pdf | 527 kB | Shaun Ewing | Jan 05, 1926 00:00 |
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US-1568141-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 527 kB | Shaun Ewing | Jan 05, 1926 00:00 | US-1568141-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | ||||
| PDF File 1568142.pdf | 486 kB | Shaun Ewing | Jan 05, 1926 00:00 |
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US-1568142-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Jan 05, 1926 00:00 | US-1568142-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | ||||
| PDF File 1568143.pdf | 552 kB | Shaun Ewing | Jan 05, 1926 00:00 |
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US-1568143-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 552 kB | Shaun Ewing | Jan 05, 1926 00:00 | US-1568143-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | ||||
| PDF File 1568144.pdf | 459 kB | Shaun Ewing | Jan 05, 1926 00:00 |
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US-1568144-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Jan 05, 1926 00:00 | US-1568144-A // Frequency selective circuits // Elsasser Henry W. // American Telephone & Telegraph |
