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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1678872.pdf | 1.21 MB | Shaun Ewing | Jul 31, 1928 00:00 |
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US-1678872-A // Method and apparatus for producing musical sounds // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Jul 31, 1928 00:00 | US-1678872-A // Method and apparatus for producing musical sounds // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1679396.pdf | 172 kB | Shaun Ewing | Aug 07, 1928 00:00 |
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US-1679396-A // Measuring system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 172 kB | Shaun Ewing | Aug 07, 1928 00:00 | US-1679396-A // Measuring system // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1679411.pdf | 671 kB | Shaun Ewing | Aug 07, 1928 00:00 |
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US-1679411-A // Loading device for conveying systems // Potter Edward F. De // American Telephone & Telegraph | |||
| Version 1 (current) | 671 kB | Shaun Ewing | Aug 07, 1928 00:00 | US-1679411-A // Loading device for conveying systems // Potter Edward F. De // American Telephone & Telegraph | ||||
| PDF File 1679412.pdf | 498 kB | Shaun Ewing | Aug 07, 1928 00:00 |
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US-1679412-A // Unloading device for conveying systems // Potter Edward F. De // American Telephone & Telegraph | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Aug 07, 1928 00:00 | US-1679412-A // Unloading device for conveying systems // Potter Edward F. De // American Telephone & Telegraph | ||||
| PDF File 1679427.pdf | 320 kB | Shaun Ewing | Aug 07, 1928 00:00 |
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US-1679427-A // Underground conduit // Jewell Howard W. // American Telephone & Telegraph | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Aug 07, 1928 00:00 | US-1679427-A // Underground conduit // Jewell Howard W. // American Telephone & Telegraph | ||||
| PDF File 1679434.pdf | 394 kB | Shaun Ewing | Aug 07, 1928 00:00 |
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US-1679434-A // Electric wave filter for variable-load circuits // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 394 kB | Shaun Ewing | Aug 07, 1928 00:00 | US-1679434-A // Electric wave filter for variable-load circuits // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1680363.pdf | 539 kB | Shaun Ewing | Aug 14, 1928 00:00 |
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US-1680363-A // Directive antenna // Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 539 kB | Shaun Ewing | Aug 14, 1928 00:00 | US-1680363-A // Directive antenna // Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1680367.pdf | 218 kB | Shaun Ewing | Aug 14, 1928 00:00 |
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US-1680367-A // Repeater circuits // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 218 kB | Shaun Ewing | Aug 14, 1928 00:00 | US-1680367-A // Repeater circuits // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1680376.pdf | 460 kB | Shaun Ewing | Aug 14, 1928 00:00 |
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US-1680376-A // Telegraph circuits // Herman Joseph ; Singer Fred J. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Aug 14, 1928 00:00 | US-1680376-A // Telegraph circuits // Herman Joseph ; Singer Fred J. // American Telephone & Telegraph | ||||
| PDF File 1680377.pdf | 389 kB | Shaun Ewing | Aug 14, 1928 00:00 |
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US-1680377-A // Alternating potential generator // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 389 kB | Shaun Ewing | Aug 14, 1928 00:00 | US-1680377-A // Alternating potential generator // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1680390.pdf | 393 kB | Shaun Ewing | Aug 14, 1928 00:00 |
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US-1680390-A // Picture-transmitting system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 393 kB | Shaun Ewing | Aug 14, 1928 00:00 | US-1680390-A // Picture-transmitting system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1681216.pdf | 436 kB | Shaun Ewing | Aug 21, 1928 00:00 |
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US-1681216-A // Composite set // Branson David E. ; Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 436 kB | Shaun Ewing | Aug 21, 1928 00:00 | US-1681216-A // Composite set // Branson David E. ; Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1681221.pdf | 475 kB | Shaun Ewing | Aug 21, 1928 00:00 |
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US-1681221-A // Telephone-exchange system // Coggins Paul P. // American Telephone & Telegraph | |||
| Version 1 (current) | 475 kB | Shaun Ewing | Aug 21, 1928 00:00 | US-1681221-A // Telephone-exchange system // Coggins Paul P. // American Telephone & Telegraph | ||||
| PDF File 1681246.pdf | 243 kB | Shaun Ewing | Aug 21, 1928 00:00 |
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US-1681246-A // Telephone system with auxiliary signaling circuit // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 243 kB | Shaun Ewing | Aug 21, 1928 00:00 | US-1681246-A // Telephone system with auxiliary signaling circuit // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1681252.pdf | 374 kB | Shaun Ewing | Aug 21, 1928 00:00 |
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US-1681252-A // Distortion correction for transmission lines // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 374 kB | Shaun Ewing | Aug 21, 1928 00:00 | US-1681252-A // Distortion correction for transmission lines // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1681972.pdf | 589 kB | Shaun Ewing | Aug 28, 1928 00:00 |
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US-1681972-A // Carrier amplitude-control system // Blackwell Otto B. ; Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Aug 28, 1928 00:00 | US-1681972-A // Carrier amplitude-control system // Blackwell Otto B. ; Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1683716.pdf | 623 kB | Shaun Ewing | Sept 11, 1928 00:00 |
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US-1683716-A // Antenna for radiotelegraphy // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 623 kB | Shaun Ewing | Sept 11, 1928 00:00 | US-1683716-A // Antenna for radiotelegraphy // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1683725.pdf | 571 kB | Shaun Ewing | Sept 11, 1928 00:00 |
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US-1683725-A // Phase-regulating system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Sept 11, 1928 00:00 | US-1683725-A // Phase-regulating system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1683739.pdf | 945 kB | Shaun Ewing | Sept 11, 1928 00:00 |
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US-1683739-A // Directive antenna array // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 945 kB | Shaun Ewing | Sept 11, 1928 00:00 | US-1683739-A // Directive antenna array // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1684445.pdf | 661 kB | Shaun Ewing | Sept 18, 1928 00:00 |
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US-1684445-A // Signaling system // Honaman Richard K. // American Telephone & Telegraph | |||
| Version 1 (current) | 661 kB | Shaun Ewing | Sept 18, 1928 00:00 | US-1684445-A // Signaling system // Honaman Richard K. // American Telephone & Telegraph |
