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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 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 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 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 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 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 1678685.pdf | 681 kB | Shaun Ewing | Jul 31, 1928 00:00 |
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US-1678685-A // Telephone signal system // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 681 kB | Shaun Ewing | Jul 31, 1928 00:00 | US-1678685-A // Telephone signal system // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1678674.pdf | 512 kB | Shaun Ewing | Jul 31, 1928 00:00 |
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US-1678674-A // Method and apparatus for computation // Jr. Walter Koenig, // American Telephone & Telegraph | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Jul 31, 1928 00:00 | US-1678674-A // Method and apparatus for computation // Jr. Walter Koenig, // American Telephone & Telegraph | ||||
| PDF File 1678672.pdf | 938 kB | Shaun Ewing | Jul 31, 1928 00:00 |
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US-1678672-A // Two-way radio telephone system // Espenschied Lloyd ; Anderson Clifford N. // American Telephone & Telegraph | |||
| Version 1 (current) | 938 kB | Shaun Ewing | Jul 31, 1928 00:00 | US-1678672-A // Two-way radio telephone system // Espenschied Lloyd ; Anderson Clifford N. // American Telephone & Telegraph | ||||
| PDF File 1678665.pdf | 465 kB | Shaun Ewing | Jul 31, 1928 00:00 |
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US-1678665-A // High-frequency measuring system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Jul 31, 1928 00:00 | US-1678665-A // High-frequency measuring system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1678663.pdf | 280 kB | Shaun Ewing | Jul 31, 1928 00:00 |
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US-1678663-A // Insulator // Wilson Leon T. // American Telephone & Telegraph | |||
| Version 1 (current) | 280 kB | Shaun Ewing | Jul 31, 1928 00:00 | US-1678663-A // Insulator // Wilson Leon T. // American Telephone & Telegraph | ||||
| PDF File 1677983.pdf | 736 kB | Shaun Ewing | Jul 24, 1928 00:00 |
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US-1677983-A // Printing-telegraph exchange system // Parker Raizemond D. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 736 kB | Shaun Ewing | Jul 24, 1928 00:00 | US-1677983-A // Printing-telegraph exchange system // Parker Raizemond D. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1677967.pdf | 871 kB | Shaun Ewing | Jul 24, 1928 00:00 |
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US-1677967-A // Radio signaling system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 871 kB | Shaun Ewing | Jul 24, 1928 00:00 | US-1677967-A // Radio signaling system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1677966.pdf | 572 kB | Shaun Ewing | Jul 24, 1928 00:00 |
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US-1677966-A // Carrier signaling system // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Jul 24, 1928 00:00 | US-1677966-A // Carrier signaling system // Green Estill I. // American Telephone & Telegraph |
