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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2032513.pdf | 634 kB | Shaun Ewing | Mar 03, 1936 00:00 |
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US-2032513-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 634 kB | Shaun Ewing | Mar 03, 1936 00:00 | US-2032513-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 1848222.pdf | 633 kB | Shaun Ewing | Mar 08, 1932 00:00 |
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US-1848222-A // Producing musical sounds // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 633 kB | Shaun Ewing | Mar 08, 1932 00:00 | US-1848222-A // Producing musical sounds // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 2163195.pdf | 632 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2163195-A // Mechanical relay // Edwards Paul Griffith // American Telephone & Telegraph | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163195-A // Mechanical relay // Edwards Paul Griffith // American Telephone & Telegraph | ||||
| PDF File 1903875.pdf | 632 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1903875-A // Transmission control // Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903875-A // Transmission control // Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 1930631.pdf | 631 kB | Shaun Ewing | Oct 17, 1933 00:00 |
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US-1930631-A // Signaling system // Thompson Albert C. // American Telephone & Telegraph | |||
| Version 1 (current) | 631 kB | Shaun Ewing | Oct 17, 1933 00:00 | US-1930631-A // Signaling system // Thompson Albert C. // American Telephone & Telegraph | ||||
| PDF File 2096145.pdf | 628 kB | Shaun Ewing | Oct 19, 1937 00:00 |
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US-2096145-A // Teletypewriter // Swezey Burdette Stevens // American Telephone & Telegraph | |||
| Version 1 (current) | 628 kB | Shaun Ewing | Oct 19, 1937 00:00 | US-2096145-A // Teletypewriter // Swezey Burdette Stevens // American Telephone & Telegraph | ||||
| PDF File 1946615.pdf | 626 kB | Shaun Ewing | Feb 13, 1934 00:00 |
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US-1946615-A // Signaling system // Demarest Charles Sidney // American Telephone & Telegraph | |||
| Version 1 (current) | 626 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1946615-A // Signaling system // Demarest Charles Sidney // American Telephone & Telegraph | ||||
| PDF File 2036332.pdf | 624 kB | Shaun Ewing | Apr 07, 1936 00:00 |
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US-2036332-A // Signal distortion indicator // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 624 kB | Shaun Ewing | Apr 07, 1936 00:00 | US-2036332-A // Signal distortion indicator // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1797317.pdf | 622 kB | Shaun Ewing | Mar 24, 1931 00:00 |
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US-1797317-A // Binaural phase-discrimination radio system // Brand Smart ; Mertz Pierre // American Telephone & Telegraph | |||
| Version 1 (current) | 622 kB | Shaun Ewing | Mar 24, 1931 00:00 | US-1797317-A // Binaural phase-discrimination radio system // Brand Smart ; Mertz Pierre // American Telephone & Telegraph | ||||
| PDF File 2040471.pdf | 621 kB | Shaun Ewing | May 12, 1936 00:00 |
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US-2040471-A // Selective signaling system // Coxhead Harry Burrows // American Telephone & Telegraph | |||
| Version 1 (current) | 621 kB | Shaun Ewing | May 12, 1936 00:00 | US-2040471-A // Selective signaling system // Coxhead Harry Burrows // American Telephone & Telegraph | ||||
| PDF File 2037865.pdf | 619 kB | Shaun Ewing | Apr 21, 1936 00:00 |
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US-2037865-A // Diversity reception system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 619 kB | Shaun Ewing | Apr 21, 1936 00:00 | US-2037865-A // Diversity reception system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 2022248.pdf | 618 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022248-A // Television equipment // Lofgren Benjamin F. // American Telephone & Telegraph | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022248-A // Television equipment // Lofgren Benjamin F. // American Telephone & Telegraph | ||||
| PDF File 2109562.pdf | 616 kB | Shaun Ewing | Mar 01, 1938 00:00 |
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US-2109562-A // Transmission system // Bagnall Vernon Barnard // American Telephone & Telegraph | |||
| Version 1 (current) | 616 kB | Shaun Ewing | Mar 01, 1938 00:00 | US-2109562-A // Transmission system // Bagnall Vernon Barnard // American Telephone & Telegraph | ||||
| PDF File 1977254.pdf | 615 kB | Shaun Ewing | Oct 16, 1934 00:00 |
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US-1977254-A // Glow discharge tube circuit // Swart Leland K. // American Telephone & Telegraph | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Oct 16, 1934 00:00 | US-1977254-A // Glow discharge tube circuit // Swart Leland K. // American Telephone & Telegraph | ||||
| PDF File 1938732.pdf | 615 kB | Shaun Ewing | Dec 12, 1933 00:00 |
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US-1938732-A // System for improving the shielding effect of ground wires and shield wires // Vaage Emil Fridstein // American Telephone & Telegraph | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Dec 12, 1933 00:00 | US-1938732-A // System for improving the shielding effect of ground wires and shield wires // Vaage Emil Fridstein // American Telephone & Telegraph | ||||
| PDF File 2050265.pdf | 614 kB | Shaun Ewing | Aug 11, 1936 00:00 |
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US-2050265-A // Iterative telegraph system // Bown Raiph // American Telephone & Telegraph | |||
| Version 1 (current) | 614 kB | Shaun Ewing | Aug 11, 1936 00:00 | US-2050265-A // Iterative telegraph system // Bown Raiph // American Telephone & Telegraph | ||||
| PDF File 2054008.pdf | 613 kB | Shaun Ewing | Sept 08, 1936 00:00 |
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US-2054008-A // Electrical protective system // Swart Leland Kasson ; Tebo Julian Drenner // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 613 kB | Shaun Ewing | Sept 08, 1936 00:00 | US-2054008-A // Electrical protective system // Swart Leland Kasson ; Tebo Julian Drenner // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1961407.pdf | 613 kB | Shaun Ewing | Jun 05, 1934 00:00 |
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US-1961407-A // Printing telegraph system // Vernam Gilbert S. ; Locke George A. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 613 kB | Shaun Ewing | Jun 05, 1934 00:00 | US-1961407-A // Printing telegraph system // Vernam Gilbert S. ; Locke George A. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1918390.pdf | 612 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918390-A // Transmission control // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 612 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918390-A // Transmission control // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 2221136.pdf | 611 kB | Shaun Ewing | Nov 12, 1940 00:00 |
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US-2221136-A // Telegraph system // Harms Gordon John // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Nov 12, 1940 00:00 | US-2221136-A // Telegraph system // Harms Gordon John // American Telephone & Telegraph |