Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2458885.pdf | 1.68 MB | Shaun Ewing | Jan 11, 1949 00:00 |
|
US-2458885-A // Directive antenna system // Warren Clifford A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Jan 11, 1949 00:00 | US-2458885-A // Directive antenna system // Warren Clifford A. // Bell Telephone Labor Inc | ||||
| PDF File 2527127.pdf | 1.68 MB | Shaun Ewing | Oct 24, 1950 00:00 |
|
US-2527127-A // Electronic discharge device // Gormley Robert S. ; Maggs Charles ; Moose Louis F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Oct 24, 1950 00:00 | US-2527127-A // Electronic discharge device // Gormley Robert S. ; Maggs Charles ; Moose Louis F. // Bell Telephone Labor Inc | ||||
| PDF File 2408435.pdf | 1.68 MB | Shaun Ewing | Oct 01, 1946 00:00 |
|
US-2408435-A // Pipe antenna and prism // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Oct 01, 1946 00:00 | US-2408435-A // Pipe antenna and prism // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2410825.pdf | 1.67 MB | Shaun Ewing | Nov 12, 1946 00:00 |
|
US-2410825-A // Piezoelectric crystal apparatus // Lane Clarence E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.67 MB | Shaun Ewing | Nov 12, 1946 00:00 | US-2410825-A // Piezoelectric crystal apparatus // Lane Clarence E. // Bell Telephone Labor Inc | ||||
| PDF File 2489883.pdf | 1.67 MB | Shaun Ewing | Nov 29, 1949 00:00 |
|
US-2489883-A // Pulse code modulation receiver employing cathode-ray tube demodulators // Hecht George // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.67 MB | Shaun Ewing | Nov 29, 1949 00:00 | US-2489883-A // Pulse code modulation receiver employing cathode-ray tube demodulators // Hecht George // Bell Telephone Labor Inc | ||||
| PDF File 2403475.pdf | 1.67 MB | Shaun Ewing | Jul 09, 1946 00:00 |
|
US-2403475-A // Telephone system // Bascom Henry M. ; Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.67 MB | Shaun Ewing | Jul 09, 1946 00:00 | US-2403475-A // Telephone system // Bascom Henry M. ; Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2520962.pdf | 1.66 MB | Shaun Ewing | Sept 05, 1950 00:00 |
|
US-2520962-A // System for automatically ticketing telephone calls // Retallack John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Sept 05, 1950 00:00 | US-2520962-A // System for automatically ticketing telephone calls // Retallack John B. // Bell Telephone Labor Inc | ||||
| PDF File 2438940.pdf | 1.65 MB | Shaun Ewing | Apr 06, 1948 00:00 |
|
US-2438940-A // Range and azimuth simulating system for radar instruction // Pennoyer Douglas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.65 MB | Shaun Ewing | Apr 06, 1948 00:00 | US-2438940-A // Range and azimuth simulating system for radar instruction // Pennoyer Douglas H. // Bell Telephone Labor Inc | ||||
| PDF File 2426245.pdf | 1.64 MB | Shaun Ewing | Aug 26, 1947 00:00 |
|
US-2426245-A // Time and distance measuring system // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Aug 26, 1947 00:00 | US-2426245-A // Time and distance measuring system // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2473437.pdf | 1.64 MB | Shaun Ewing | Jun 14, 1949 00:00 |
|
US-2473437-A // Mechanical perforator // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Jun 14, 1949 00:00 | US-2473437-A // Mechanical perforator // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2406836.pdf | 1.63 MB | Shaun Ewing | Sept 03, 1946 00:00 |
|
US-2406836-A // Electric air position indicator // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | Sept 03, 1946 00:00 | US-2406836-A // Electric air position indicator // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2523365.pdf | 1.62 MB | Shaun Ewing | Sept 26, 1950 00:00 |
|
US-2523365-A // Testing system for cathode-ray telephone switching apparatus // Gross Leo // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | Sept 26, 1950 00:00 | US-2523365-A // Testing system for cathode-ray telephone switching apparatus // Gross Leo // Bell Telephone Labor Inc | ||||
| PDF File 2434274.pdf | 1.62 MB | Shaun Ewing | Jan 13, 1948 00:00 |
|
US-2434274-A // Artillery computer // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | Jan 13, 1948 00:00 | US-2434274-A // Artillery computer // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2465507.pdf | 1.62 MB | Shaun Ewing | Mar 29, 1949 00:00 |
|
US-2465507-A // Intercommunicating teletypewriter system // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | Mar 29, 1949 00:00 | US-2465507-A // Intercommunicating teletypewriter system // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2488389.pdf | 1.61 MB | Shaun Ewing | Nov 15, 1949 00:00 |
|
US-2488389-A // Detection system // Jr. Edwin P. Felch, ; Merrill Francis G. ; Slonczewski Thaddeus // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Nov 15, 1949 00:00 | US-2488389-A // Detection system // Jr. Edwin P. Felch, ; Merrill Francis G. ; Slonczewski Thaddeus // Bell Telephone Labor Inc | ||||
| PDF File 2527638.pdf | 1.61 MB | Shaun Ewing | Oct 31, 1950 00:00 |
|
US-2527638-A // Pulse skip synchronization of pulse transmission systems // Jr. John G. Kreer, ; Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Oct 31, 1950 00:00 | US-2527638-A // Pulse skip synchronization of pulse transmission systems // Jr. John G. Kreer, ; Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2476875.pdf | 1.61 MB | Shaun Ewing | Jul 19, 1949 00:00 |
|
US-2476875-A // High efficiency amplitude modulation // Ketchledge Raymond W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Jul 19, 1949 00:00 | US-2476875-A // High efficiency amplitude modulation // Ketchledge Raymond W. // Bell Telephone Labor Inc | ||||
| PDF File 2405617.pdf | 1.61 MB | Shaun Ewing | Aug 13, 1946 00:00 |
|
US-2405617-A // Data transmission system // Singer Fred J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Aug 13, 1946 00:00 | US-2405617-A // Data transmission system // Singer Fred J. // Bell Telephone Labor Inc | ||||
| PDF File 2468462.pdf | 1.60 MB | Shaun Ewing | Apr 26, 1949 00:00 |
|
US-2468462-A // Telegraph transmitter control mechanism // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Apr 26, 1949 00:00 | US-2468462-A // Telegraph transmitter control mechanism // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2478670.pdf | 1.59 MB | Shaun Ewing | Aug 09, 1949 00:00 |
|
US-2478670-A // Automatic register for echo pulses from a plurality of objects // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.59 MB | Shaun Ewing | Aug 09, 1949 00:00 | US-2478670-A // Automatic register for echo pulses from a plurality of objects // Skellett Albert M. // Bell Telephone Labor Inc |
