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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1654645.pdf | 328 kB | Shaun Ewing | Jan 03, 1928 00:00 |
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US-1654645-A // Recording system // Green Irving Walter // American Telephone & Telegraph | |||
| Version 1 (current) | 328 kB | Shaun Ewing | Jan 03, 1928 00:00 | US-1654645-A // Recording system // Green Irving Walter // American Telephone & Telegraph | ||||
| PDF File 1654657.pdf | 529 kB | Shaun Ewing | Jan 03, 1928 00:00 |
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US-1654657-A // Cable terminal // Matthews Edgar M. // American Telephone & Telegraph | |||
| Version 1 (current) | 529 kB | Shaun Ewing | Jan 03, 1928 00:00 | US-1654657-A // Cable terminal // Matthews Edgar M. // American Telephone & Telegraph | ||||
| PDF File 1655420.pdf | 546 kB | Shaun Ewing | Jan 10, 1928 00:00 |
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US-1655420-A // Intermediate telegraph station // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 546 kB | Shaun Ewing | Jan 10, 1928 00:00 | US-1655420-A // Intermediate telegraph station // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1655448.pdf | 390 kB | Shaun Ewing | Jan 10, 1928 00:00 |
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US-1655448-A // Printing telegraph system // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 390 kB | Shaun Ewing | Jan 10, 1928 00:00 | US-1655448-A // Printing telegraph system // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1656226.pdf | 287 kB | Shaun Ewing | Jan 17, 1928 00:00 |
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US-1656226-A // Wire clamp // Palm Samuel M. ; Putnam Howard P. // American Telephone & Telegraph | |||
| Version 1 (current) | 287 kB | Shaun Ewing | Jan 17, 1928 00:00 | US-1656226-A // Wire clamp // Palm Samuel M. ; Putnam Howard P. // American Telephone & Telegraph | ||||
| PDF File 1656250.pdf | 353 kB | Shaun Ewing | Jan 17, 1928 00:00 |
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US-1656250-A // Alternating-current relay // Thompson Elmer O. ; Grimes David ; Fisher Henry C. // American Telephone & Telegraph | |||
| Version 1 (current) | 353 kB | Shaun Ewing | Jan 17, 1928 00:00 | US-1656250-A // Alternating-current relay // Thompson Elmer O. ; Grimes David ; Fisher Henry C. // American Telephone & Telegraph | ||||
| PDF File 1656956.pdf | 532 kB | Shaun Ewing | Jan 24, 1928 00:00 |
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US-1656956-A // Electric vacuum valve tubb // Schroter Fritz // American Telephone & Telegraph | |||
| Version 1 (current) | 532 kB | Shaun Ewing | Jan 24, 1928 00:00 | US-1656956-A // Electric vacuum valve tubb // Schroter Fritz // American Telephone & Telegraph | ||||
| PDF File 1656957.pdf | 229 kB | Shaun Ewing | Jan 24, 1928 00:00 |
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US-1656957-A // Glow-discharge valve // Schroter Fritz // American Telephone & Telegraph | |||
| Version 1 (current) | 229 kB | Shaun Ewing | Jan 24, 1928 00:00 | US-1656957-A // Glow-discharge valve // Schroter Fritz // American Telephone & Telegraph | ||||
| PDF File 1656987.pdf | 240 kB | Shaun Ewing | Jan 24, 1928 00:00 |
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US-1656987-A // Ultrahigh-frequency generator // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 240 kB | Shaun Ewing | Jan 24, 1928 00:00 | US-1656987-A // Ultrahigh-frequency generator // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1657451.pdf | 782 kB | Shaun Ewing | Jan 31, 1928 00:00 |
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US-1657451-A // Nonsinging reamplifying circuits // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 782 kB | Shaun Ewing | Jan 31, 1928 00:00 | US-1657451-A // Nonsinging reamplifying circuits // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1657462.pdf | 414 kB | Shaun Ewing | Jan 31, 1928 00:00 |
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US-1657462-A // Nonsinging reamplifying circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 414 kB | Shaun Ewing | Jan 31, 1928 00:00 | US-1657462-A // Nonsinging reamplifying circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1657498.pdf | 832 kB | Shaun Ewing | Jan 31, 1928 00:00 |
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US-1657498-A // Radio signaling system // Demarest Charles S. ; Almquist Milton L. // American Telephone & Telegraph | |||
| Version 1 (current) | 832 kB | Shaun Ewing | Jan 31, 1928 00:00 | US-1657498-A // Radio signaling system // Demarest Charles S. ; Almquist Milton L. // American Telephone & Telegraph | ||||
| PDF File 1658094.pdf | 464 kB | Shaun Ewing | Feb 07, 1928 00:00 |
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US-1658094-A // Paper-conveying system // Paschen Harold F. ; Potter Edward F. De // American Telephone & Telegraph | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Feb 07, 1928 00:00 | US-1658094-A // Paper-conveying system // Paschen Harold F. ; Potter Edward F. De // American Telephone & Telegraph | ||||
| PDF File 1658095.pdf | 486 kB | Shaun Ewing | Feb 07, 1928 00:00 |
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US-1658095-A // Feeding device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Feb 07, 1928 00:00 | US-1658095-A // Feeding device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | ||||
| PDF File 1658096.pdf | 456 kB | Shaun Ewing | Feb 07, 1928 00:00 |
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US-1658096-A // Unloading device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | |||
| Version 1 (current) | 456 kB | Shaun Ewing | Feb 07, 1928 00:00 | US-1658096-A // Unloading device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | ||||
| PDF File 1658851.pdf | 478 kB | Shaun Ewing | Feb 14, 1928 00:00 |
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US-1658851-A // Directive radio repeating system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Feb 14, 1928 00:00 | US-1658851-A // Directive radio repeating system // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1658856.pdf | 758 kB | Shaun Ewing | Feb 14, 1928 00:00 |
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US-1658856-A // Transmission-line control system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 758 kB | Shaun Ewing | Feb 14, 1928 00:00 | US-1658856-A // Transmission-line control system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1658887.pdf | 331 kB | Shaun Ewing | Feb 14, 1928 00:00 |
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US-1658887-A // Duct grapple // Dotzauer John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 331 kB | Shaun Ewing | Feb 14, 1928 00:00 | US-1658887-A // Duct grapple // Dotzauer John F. // American Telephone & Telegraph | ||||
| PDF File 1659729.pdf | 320 kB | Shaun Ewing | Feb 21, 1928 00:00 |
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US-1659729-A // Constant-voltage alternator // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Feb 21, 1928 00:00 | US-1659729-A // Constant-voltage alternator // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1659731.pdf | 312 kB | Shaun Ewing | Feb 21, 1928 00:00 |
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US-1659731-A // Insulator // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 312 kB | Shaun Ewing | Feb 21, 1928 00:00 | US-1659731-A // Insulator // Green Estill I. // American Telephone & Telegraph |
