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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2119203.pdf | 538 kB | Shaun Ewing | May 31, 1938 00:00 |
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US-2119203-A // Combined form and carbon sheet holder // Dencklau Karl R. // American Telephone & Telegraph | |||
| Version 1 (current) | 538 kB | Shaun Ewing | May 31, 1938 00:00 | US-2119203-A // Combined form and carbon sheet holder // Dencklau Karl R. // American Telephone & Telegraph | ||||
| PDF File 1854247.pdf | 537 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854247-A // Multiplex phase discrimination transmission system // Brand Smart ; Mertz Pierre // American Telephone & Telegraph | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854247-A // Multiplex phase discrimination transmission system // Brand Smart ; Mertz Pierre // American Telephone & Telegraph | ||||
| PDF File 1986921.pdf | 537 kB | Shaun Ewing | Jan 08, 1935 00:00 |
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US-1986921-A // Selective signaling system // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Jan 08, 1935 00:00 | US-1986921-A // Selective signaling system // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1992283.pdf | 536 kB | Shaun Ewing | Feb 26, 1935 00:00 |
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US-1992283-A // Transmitting wave antenna system // Bailey Austin ; Harper Augustus E. ; Willis French H. // American Telephone & Telegraph | |||
| Version 1 (current) | 536 kB | Shaun Ewing | Feb 26, 1935 00:00 | US-1992283-A // Transmitting wave antenna system // Bailey Austin ; Harper Augustus E. ; Willis French H. // American Telephone & Telegraph | ||||
| PDF File 2021270.pdf | 536 kB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021270-A // Electrical protective system // Swart Leland K. // American Telephone & Telegraph | |||
| Version 1 (current) | 536 kB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021270-A // Electrical protective system // Swart Leland K. // American Telephone & Telegraph | ||||
| PDF File 2065642.pdf | 535 kB | Shaun Ewing | Dec 29, 1936 00:00 |
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US-2065642-A // Combined telephone and fire dispatch system // Bradford Raymond C. // American Telephone & Telegraph | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Dec 29, 1936 00:00 | US-2065642-A // Combined telephone and fire dispatch system // Bradford Raymond C. // American Telephone & Telegraph | ||||
| PDF File 2029420.pdf | 535 kB | Shaun Ewing | Feb 04, 1936 00:00 |
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US-2029420-A // Concentric conductor transmission system // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Feb 04, 1936 00:00 | US-2029420-A // Concentric conductor transmission system // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 2023504.pdf | 535 kB | Shaun Ewing | Dec 10, 1935 00:00 |
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US-2023504-A // Radio receiving apparatus // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Dec 10, 1935 00:00 | US-2023504-A // Radio receiving apparatus // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1927106.pdf | 535 kB | Shaun Ewing | Sept 19, 1933 00:00 |
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US-1927106-A // Insulator // Wilson Leon T. // American Telephone & Telegraph | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Sept 19, 1933 00:00 | US-1927106-A // Insulator // Wilson Leon T. // American Telephone & Telegraph | ||||
| PDF File 1931601.pdf | 535 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931601-A // System of signaling circuits in alpha multiconductor cable // Chapman Arthur G. // American Telephone & Telegraph | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931601-A // System of signaling circuits in alpha multiconductor cable // Chapman Arthur G. // American Telephone & Telegraph | ||||
| PDF File 1931604.pdf | 533 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931604-A // Control apparatus for radioreceivers // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 533 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931604-A // Control apparatus for radioreceivers // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1849189.pdf | 532 kB | Shaun Ewing | Mar 15, 1932 00:00 |
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US-1849189-A // Gain control apparatus // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 532 kB | Shaun Ewing | Mar 15, 1932 00:00 | US-1849189-A // Gain control apparatus // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1835080.pdf | 532 kB | Shaun Ewing | Dec 08, 1931 00:00 |
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US-1835080-A // Transmission regulation in cable circuits // Pfleger Kenneth W. // American Telephone & Telegraph | |||
| Version 1 (current) | 532 kB | Shaun Ewing | Dec 08, 1931 00:00 | US-1835080-A // Transmission regulation in cable circuits // Pfleger Kenneth W. // American Telephone & Telegraph | ||||
| PDF File 1886808.pdf | 531 kB | Shaun Ewing | Nov 08, 1932 00:00 |
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US-1886808-A // Bias control in telegraph communication // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 531 kB | Shaun Ewing | Nov 08, 1932 00:00 | US-1886808-A // Bias control in telegraph communication // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1831881.pdf | 529 kB | Shaun Ewing | Nov 17, 1931 00:00 |
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US-1831881-A // Radio signal measuring device // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 529 kB | Shaun Ewing | Nov 17, 1931 00:00 | US-1831881-A // Radio signal measuring device // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 2028289.pdf | 529 kB | Shaun Ewing | Jan 21, 1936 00:00 |
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US-2028289-A // Time announcement system // Lewis Benjamin F. // American Telephone & Telegraph | |||
| Version 1 (current) | 529 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028289-A // Time announcement system // Lewis Benjamin F. // American Telephone & Telegraph | ||||
| PDF File 2101976.pdf | 528 kB | Shaun Ewing | Dec 14, 1937 00:00 |
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US-2101976-A // Television system // Blackwell Otto B. ; Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 528 kB | Shaun Ewing | Dec 14, 1937 00:00 | US-2101976-A // Television system // Blackwell Otto B. ; Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1825715.pdf | 526 kB | Shaun Ewing | Oct 06, 1931 00:00 |
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US-1825715-A // Telegraph transmission measuring system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 526 kB | Shaun Ewing | Oct 06, 1931 00:00 | US-1825715-A // Telegraph transmission measuring system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 2047312.pdf | 524 kB | Shaun Ewing | Jul 14, 1936 00:00 |
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US-2047312-A // Signaling system // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 524 kB | Shaun Ewing | Jul 14, 1936 00:00 | US-2047312-A // Signaling system // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1827855.pdf | 524 kB | Shaun Ewing | Oct 20, 1931 00:00 |
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US-1827855-A // Reeling device // Parker Lee T. // American Telephone & Telegraph | |||
| Version 1 (current) | 524 kB | Shaun Ewing | Oct 20, 1931 00:00 | US-1827855-A // Reeling device // Parker Lee T. // American Telephone & Telegraph |
