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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1931618.pdf | 319 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931618-A // Switchboard // Nelson Stanley Foushee // American Telephone & Telegraph | |||
| Version 1 (current) | 319 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931618-A // Switchboard // Nelson Stanley Foushee // American Telephone & Telegraph | ||||
| PDF File 1922138.pdf | 318 kB | Shaun Ewing | Aug 15, 1933 00:00 |
|
US-1922138-A // System for transposition of conductor sets in cables // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 318 kB | Shaun Ewing | Aug 15, 1933 00:00 | US-1922138-A // System for transposition of conductor sets in cables // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 2103430.pdf | 317 kB | Shaun Ewing | Dec 28, 1937 00:00 |
|
US-2103430-A // Electrical protective system // Maurer Keith L. ; Swart Leland K. // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Dec 28, 1937 00:00 | US-2103430-A // Electrical protective system // Maurer Keith L. ; Swart Leland K. // American Telephone & Telegraph | ||||
| PDF File 2074358.pdf | 317 kB | Shaun Ewing | Mar 23, 1937 00:00 |
|
US-2074358-A // Vehicle cover // Bixel Edward Carl ; Smith Temple Clifford // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Mar 23, 1937 00:00 | US-2074358-A // Vehicle cover // Bixel Edward Carl ; Smith Temple Clifford // American Telephone & Telegraph | ||||
| PDF File 1885798.pdf | 317 kB | Shaun Ewing | Nov 01, 1932 00:00 |
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US-1885798-A // Transmission regulation // Brand Smart // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Nov 01, 1932 00:00 | US-1885798-A // Transmission regulation // Brand Smart // American Telephone & Telegraph | ||||
| PDF File 1821928.pdf | 316 kB | Shaun Ewing | Sept 08, 1931 00:00 |
|
US-1821928-A // Telephone echo suppressor // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Sept 08, 1931 00:00 | US-1821928-A // Telephone echo suppressor // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 2201089.pdf | 314 kB | Shaun Ewing | May 14, 1940 00:00 |
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US-2201089-A // Coin collecting apparatus // Hancock Charles Marion // American Telephone & Telegraph | |||
| Version 1 (current) | 314 kB | Shaun Ewing | May 14, 1940 00:00 | US-2201089-A // Coin collecting apparatus // Hancock Charles Marion // American Telephone & Telegraph | ||||
| PDF File 1797337.pdf | 314 kB | Shaun Ewing | Mar 24, 1931 00:00 |
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US-1797337-A // Connecting pin // Freeman Albert E. // American Telephone & Telegraph | |||
| Version 1 (current) | 314 kB | Shaun Ewing | Mar 24, 1931 00:00 | US-1797337-A // Connecting pin // Freeman Albert E. // American Telephone & Telegraph | ||||
| PDF File 1854255.pdf | 314 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854255-A // Triple concentric conductor system // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 314 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854255-A // Triple concentric conductor system // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1915441.pdf | 313 kB | Shaun Ewing | Jun 27, 1933 00:00 |
|
US-1915441-A // System for determining the gain of vacuum tubes // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 313 kB | Shaun Ewing | Jun 27, 1933 00:00 | US-1915441-A // System for determining the gain of vacuum tubes // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1860007.pdf | 311 kB | Shaun Ewing | May 24, 1932 00:00 |
|
US-1860007-A // Telephone office alarm circuit // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 311 kB | Shaun Ewing | May 24, 1932 00:00 | US-1860007-A // Telephone office alarm circuit // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 2037846.pdf | 310 kB | Shaun Ewing | Apr 21, 1936 00:00 |
|
US-2037846-A // Reduction of disturbing voltages in electric circuits // Aikens Andrew J. // American Telephone & Telegraph | |||
| Version 1 (current) | 310 kB | Shaun Ewing | Apr 21, 1936 00:00 | US-2037846-A // Reduction of disturbing voltages in electric circuits // Aikens Andrew J. // American Telephone & Telegraph | ||||
| PDF File 1789399.pdf | 308 kB | Shaun Ewing | Jan 20, 1931 00:00 |
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US-1789399-A // Earth auger // Bartenbach Herman ; Spowart John B. // American Telephone & Telegraph | |||
| Version 1 (current) | 308 kB | Shaun Ewing | Jan 20, 1931 00:00 | US-1789399-A // Earth auger // Bartenbach Herman ; Spowart John B. // American Telephone & Telegraph | ||||
| PDF File 1893545.pdf | 308 kB | Shaun Ewing | Jan 10, 1933 00:00 |
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US-1893545-A // Alternating current amplifier // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 308 kB | Shaun Ewing | Jan 10, 1933 00:00 | US-1893545-A // Alternating current amplifier // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1815976.pdf | 308 kB | Shaun Ewing | Jul 28, 1931 00:00 |
|
US-1815976-A // Coupling between carrier and transmission lines // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 308 kB | Shaun Ewing | Jul 28, 1931 00:00 | US-1815976-A // Coupling between carrier and transmission lines // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1964845.pdf | 307 kB | Shaun Ewing | Jul 03, 1934 00:00 |
|
US-1964845-A // Ventilator // Dietze Eginhard ; Jr. Walter Deming Goodale, // American Telephone & Telegraph | |||
| Version 1 (current) | 307 kB | Shaun Ewing | Jul 03, 1934 00:00 | US-1964845-A // Ventilator // Dietze Eginhard ; Jr. Walter Deming Goodale, // American Telephone & Telegraph | ||||
| PDF File 2137349.pdf | 307 kB | Shaun Ewing | Nov 22, 1938 00:00 |
|
US-2137349-A // Radio receiving system // Rezos George // American Telephone & Telegraph | |||
| Version 1 (current) | 307 kB | Shaun Ewing | Nov 22, 1938 00:00 | US-2137349-A // Radio receiving system // Rezos George // American Telephone & Telegraph | ||||
| PDF File 1941636.pdf | 307 kB | Shaun Ewing | Jan 02, 1934 00:00 |
|
US-1941636-A // Radioantenna // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 307 kB | Shaun Ewing | Jan 02, 1934 00:00 | US-1941636-A // Radioantenna // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 2048810.pdf | 306 kB | Shaun Ewing | Jul 28, 1936 00:00 |
|
US-2048810-A // Telephone coin collector // Patche Clinton John // American Telephone & Telegraph | |||
| Version 1 (current) | 306 kB | Shaun Ewing | Jul 28, 1936 00:00 | US-2048810-A // Telephone coin collector // Patche Clinton John // American Telephone & Telegraph | ||||
| PDF File 2060585.pdf | 304 kB | Shaun Ewing | Nov 10, 1936 00:00 |
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US-2060585-A // Telephone signal circuit // Miller Charles Gideon // American Telephone & Telegraph | |||
| Version 1 (current) | 304 kB | Shaun Ewing | Nov 10, 1936 00:00 | US-2060585-A // Telephone signal circuit // Miller Charles Gideon // American Telephone & Telegraph |
