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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1773126.pdf | 637 kB | Shaun Ewing | Aug 19, 1930 00:00 |
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US-1773126-A // Transmission system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 637 kB | Shaun Ewing | Aug 19, 1930 00:00 | US-1773126-A // Transmission system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1773772.pdf | 396 kB | Shaun Ewing | Aug 26, 1930 00:00 |
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US-1773772-A // Harmonic suppressor // Berthold Oscar H. // American Telephone & Telegraph | |||
| Version 1 (current) | 396 kB | Shaun Ewing | Aug 26, 1930 00:00 | US-1773772-A // Harmonic suppressor // Berthold Oscar H. // American Telephone & Telegraph | ||||
| PDF File 1773776.pdf | 252 kB | Shaun Ewing | Aug 26, 1930 00:00 |
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US-1773776-A // Telephone conference arrangement // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 252 kB | Shaun Ewing | Aug 26, 1930 00:00 | US-1773776-A // Telephone conference arrangement // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1773785.pdf | 411 kB | Shaun Ewing | Aug 26, 1930 00:00 |
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US-1773785-A // Electrooptical system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 411 kB | Shaun Ewing | Aug 26, 1930 00:00 | US-1773785-A // Electrooptical system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1773789.pdf | 374 kB | Shaun Ewing | Aug 26, 1930 00:00 |
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US-1773789-A // Carrier-current telegraph system // Rea Wilton T. // American Telephone & Telegraph | |||
| Version 1 (current) | 374 kB | Shaun Ewing | Aug 26, 1930 00:00 | US-1773789-A // Carrier-current telegraph system // Rea Wilton T. // American Telephone & Telegraph | ||||
| PDF File 1773798.pdf | 1.16 MB | Shaun Ewing | Aug 26, 1930 00:00 |
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US-1773798-A // Carrier-current telegraph system // Thorp Vaughn P. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Aug 26, 1930 00:00 | US-1773798-A // Carrier-current telegraph system // Thorp Vaughn P. // American Telephone & Telegraph | ||||
| PDF File 1775742.pdf | 285 kB | Shaun Ewing | Sept 16, 1930 00:00 |
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US-1775742-A // Sheet-mounting device // Thomson William Harold // American Telephone & Telegraph | |||
| Version 1 (current) | 285 kB | Shaun Ewing | Sept 16, 1930 00:00 | US-1775742-A // Sheet-mounting device // Thomson William Harold // American Telephone & Telegraph | ||||
| PDF File 1775752.pdf | 230 kB | Shaun Ewing | Sept 16, 1930 00:00 |
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US-1775752-A // Oscillation generator // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 230 kB | Shaun Ewing | Sept 16, 1930 00:00 | US-1775752-A // Oscillation generator // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1775775.pdf | 391 kB | Shaun Ewing | Sept 16, 1930 00:00 |
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US-1775775-A // Method of and means for wave retardation // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 391 kB | Shaun Ewing | Sept 16, 1930 00:00 | US-1775775-A // Method of and means for wave retardation // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1776301.pdf | 193 kB | Shaun Ewing | Sept 23, 1930 00:00 |
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US-1776301-A // Coin-controlled apparatus // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 193 kB | Shaun Ewing | Sept 23, 1930 00:00 | US-1776301-A // Coin-controlled apparatus // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1776310.pdf | 914 kB | Shaun Ewing | Sept 23, 1930 00:00 |
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US-1776310-A // Two-way negative-impedance repeater // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 914 kB | Shaun Ewing | Sept 23, 1930 00:00 | US-1776310-A // Two-way negative-impedance repeater // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1776311.pdf | 557 kB | Shaun Ewing | Sept 23, 1930 00:00 |
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US-1776311-A // Repeater system // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 557 kB | Shaun Ewing | Sept 23, 1930 00:00 | US-1776311-A // Repeater system // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1776821.pdf | 513 kB | Shaun Ewing | Sept 30, 1930 00:00 |
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US-1776821-A // Automatic volume-control system // Strieby Maurice E. // American Telephone & Telegraph | |||
| Version 1 (current) | 513 kB | Shaun Ewing | Sept 30, 1930 00:00 | US-1776821-A // Automatic volume-control system // Strieby Maurice E. // American Telephone & Telegraph | ||||
| PDF File 1776822.pdf | 253 kB | Shaun Ewing | Sept 30, 1930 00:00 |
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US-1776822-A // Automatic volume-control system // Strieby Maurice E. // American Telephone & Telegraph | |||
| Version 1 (current) | 253 kB | Shaun Ewing | Sept 30, 1930 00:00 | US-1776822-A // Automatic volume-control system // Strieby Maurice E. // American Telephone & Telegraph | ||||
| PDF File 1777016.pdf | 569 kB | Shaun Ewing | Sept 30, 1930 00:00 |
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US-1777016-A // Electrootical image-producing system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 569 kB | Shaun Ewing | Sept 30, 1930 00:00 | US-1777016-A // Electrootical image-producing system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1777355.pdf | 705 kB | Shaun Ewing | Oct 07, 1930 00:00 |
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US-1777355-A // Transmission-level-controlling device // Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Oct 07, 1930 00:00 | US-1777355-A // Transmission-level-controlling device // Fetter Charles H. // American Telephone & Telegraph | ||||
| PDF File 1777374.pdf | 370 kB | Shaun Ewing | Oct 07, 1930 00:00 |
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US-1777374-A // Wave antenna // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 370 kB | Shaun Ewing | Oct 07, 1930 00:00 | US-1777374-A // Wave antenna // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1777378.pdf | 178 kB | Shaun Ewing | Oct 07, 1930 00:00 |
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US-1777378-A // Photo-electric cell // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 178 kB | Shaun Ewing | Oct 07, 1930 00:00 | US-1777378-A // Photo-electric cell // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1778077.pdf | 471 kB | Shaun Ewing | Oct 14, 1930 00:00 |
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US-1778077-A // Remote-control system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 471 kB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778077-A // Remote-control system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1778085.pdf | 479 kB | Shaun Ewing | Oct 14, 1930 00:00 |
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US-1778085-A // Distortionless amplifying system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Oct 14, 1930 00:00 | US-1778085-A // Distortionless amplifying system // Nyquist Harry // American Telephone & Telegraph |
