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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2484211.pdf | 1.30 MB | Shaun Ewing | Oct 11, 1949 00:00 |
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US-2484211-A // Power line carrier frequency telephone system // Emling John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Oct 11, 1949 00:00 | US-2484211-A // Power line carrier frequency telephone system // Emling John W. // Bell Telephone Labor Inc | ||||
| PDF File 2526595.pdf | 1.29 MB | Shaun Ewing | Oct 17, 1950 00:00 |
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US-2526595-A // Precision pulse failure alarm circuit // Jr. Henry M. Watts, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Oct 17, 1950 00:00 | US-2526595-A // Precision pulse failure alarm circuit // Jr. Henry M. Watts, // Bell Telephone Labor Inc | ||||
| PDF File 2469569.pdf | 1.29 MB | Shaun Ewing | May 10, 1949 00:00 |
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US-2469569-A // Point contact negative resistance devices // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | May 10, 1949 00:00 | US-2469569-A // Point contact negative resistance devices // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2452052.pdf | 1.29 MB | Shaun Ewing | Oct 26, 1948 00:00 |
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US-2452052-A // Selectively responsive device // Hibbard Frank H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Oct 26, 1948 00:00 | US-2452052-A // Selectively responsive device // Hibbard Frank H. // Bell Telephone Labor Inc | ||||
| PDF File 2439836.pdf | 1.29 MB | Shaun Ewing | Apr 20, 1948 00:00 |
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US-2439836-A // Method of and apparatus for locating the direction of natural axes of quartz crystalsections // Willard Gerald W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Apr 20, 1948 00:00 | US-2439836-A // Method of and apparatus for locating the direction of natural axes of quartz crystalsections // Willard Gerald W. // Bell Telephone Labor Inc | ||||
| PDF File 2502837.pdf | 1.29 MB | Shaun Ewing | Apr 04, 1950 00:00 |
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US-2502837-A // Position indicating system // Entz Ferdinand S. ; Pullis George A. ; Stibitz George R. // Bell Telephone Labor Inc ; Us Director Of The Office Of S | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Apr 04, 1950 00:00 | US-2502837-A // Position indicating system // Entz Ferdinand S. ; Pullis George A. ; Stibitz George R. // Bell Telephone Labor Inc ; Us Director Of The Office Of S | ||||
| PDF File 2408074.pdf | 1.28 MB | Shaun Ewing | Sept 24, 1946 00:00 |
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US-2408074-A // Teletypewriter switchboard // Koos Paul V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Sept 24, 1946 00:00 | US-2408074-A // Teletypewriter switchboard // Koos Paul V. // Bell Telephone Labor Inc | ||||
| PDF File 2405231.pdf | 1.28 MB | Shaun Ewing | Aug 06, 1946 00:00 |
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US-2405231-A // Aircraft blind landing system // Newhouse Russell C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Aug 06, 1946 00:00 | US-2405231-A // Aircraft blind landing system // Newhouse Russell C. // Bell Telephone Labor Inc | ||||
| PDF File 2493800.pdf | 1.28 MB | Shaun Ewing | Jan 10, 1950 00:00 |
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US-2493800-A // Location of faults in electrical transmission systems // Biskeborn Merie C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Jan 10, 1950 00:00 | US-2493800-A // Location of faults in electrical transmission systems // Biskeborn Merie C. // Bell Telephone Labor Inc | ||||
| PDF File 2412231.pdf | 1.28 MB | Shaun Ewing | Dec 10, 1946 00:00 |
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US-2412231-A // Electronic tube testing apparatus // Sharkey Edward H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Dec 10, 1946 00:00 | US-2412231-A // Electronic tube testing apparatus // Sharkey Edward H. // Bell Telephone Labor Inc | ||||
| PDF File 2402662.pdf | 1.28 MB | Shaun Ewing | Jun 25, 1946 00:00 |
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US-2402662-A // Light-sensitive electric device // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Jun 25, 1946 00:00 | US-2402662-A // Light-sensitive electric device // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2422697.pdf | 1.28 MB | Shaun Ewing | Jun 24, 1947 00:00 |
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US-2422697-A // Viewing system // Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Jun 24, 1947 00:00 | US-2422697-A // Viewing system // Meacham Larned A. // Bell Telephone Labor Inc | ||||
| PDF File 2436830.pdf | 1.28 MB | Shaun Ewing | Mar 02, 1948 00:00 |
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US-2436830-A // Transmission system and method // Sharpless William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Mar 02, 1948 00:00 | US-2436830-A // Transmission system and method // Sharpless William M. // Bell Telephone Labor Inc | ||||
| PDF File 2448623.pdf | 1.27 MB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448623-A // Duplex switch with leakage compensation // Rose Charles F. P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448623-A // Duplex switch with leakage compensation // Rose Charles F. P. // Bell Telephone Labor Inc | ||||
| PDF File 2434270.pdf | 1.27 MB | Shaun Ewing | Jan 13, 1948 00:00 |
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US-2434270-A // Electric air position indicator // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Jan 13, 1948 00:00 | US-2434270-A // Electric air position indicator // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2519688.pdf | 1.27 MB | Shaun Ewing | Aug 22, 1950 00:00 |
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US-2519688-A // Signal code translator // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519688-A // Signal code translator // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2504613.pdf | 1.27 MB | Shaun Ewing | Apr 18, 1950 00:00 |
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US-2504613-A // Motor control system // Albert Walter P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Apr 18, 1950 00:00 | US-2504613-A // Motor control system // Albert Walter P. // Bell Telephone Labor Inc | ||||
| PDF File 2532723.pdf | 1.27 MB | Shaun Ewing | Dec 05, 1950 00:00 |
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US-2532723-A // Servomotor circuit // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Dec 05, 1950 00:00 | US-2532723-A // Servomotor circuit // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 2472691.pdf | 1.27 MB | Shaun Ewing | Jun 07, 1949 00:00 |
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US-2472691-A // Piezoelectric crystal apparatus // Bond Walter L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Jun 07, 1949 00:00 | US-2472691-A // Piezoelectric crystal apparatus // Bond Walter L. // Bell Telephone Labor Inc | ||||
| PDF File 2392339.pdf | 1.27 MB | Shaun Ewing | Jan 08, 1946 00:00 |
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US-2392339-A // Regenerative repeater for multiway balanced loop repeaters // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Jan 08, 1946 00:00 | US-2392339-A // Regenerative repeater for multiway balanced loop repeaters // Rea Wilton T. // Bell Telephone Labor Inc |
