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 2627574.pdf | 1.67 MB | Shaun Ewing | Feb 03, 1953 00:00 |
|
US-2627574-A // Radio repeater having a pulse regenerator // Feldman Carl B. H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.67 MB | Shaun Ewing | Feb 03, 1953 00:00 | US-2627574-A // Radio repeater having a pulse regenerator // Feldman Carl B. H. // Bell Telephone Labor Inc | ||||
| PDF File 2541322.pdf | 1.66 MB | Shaun Ewing | Feb 13, 1951 00:00 |
|
US-2541322-A // Control of impedance of semiconductor amplifier circuits // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541322-A // Control of impedance of semiconductor amplifier circuits // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2573569.pdf | 1.66 MB | Shaun Ewing | Oct 30, 1951 00:00 |
|
US-2573569-A // Frame and trunk selection // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Oct 30, 1951 00:00 | US-2573569-A // Frame and trunk selection // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2593695.pdf | 1.66 MB | Shaun Ewing | Apr 22, 1952 00:00 |
|
US-2593695-A // Analyzer for determining the fundamental frequency of a complex wave // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Apr 22, 1952 00:00 | US-2593695-A // Analyzer for determining the fundamental frequency of a complex wave // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2673891.pdf | 1.66 MB | Shaun Ewing | Mar 30, 1954 00:00 |
|
US-2673891-A // Control of transmission in two-way telephotograph systems // Jones Theodore A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Mar 30, 1954 00:00 | US-2673891-A // Control of transmission in two-way telephotograph systems // Jones Theodore A. // Bell Telephone Labor Inc | ||||
| PDF File 2709771.pdf | 1.65 MB | Shaun Ewing | May 31, 1955 00:00 |
|
US-2709771-A // Pulse counting and registration system // Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.65 MB | Shaun Ewing | May 31, 1955 00:00 | US-2709771-A // Pulse counting and registration system // Dehn Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2632048.pdf | 1.64 MB | Shaun Ewing | Mar 17, 1953 00:00 |
|
US-2632048-A // Light valve for television systems // Mason Warren P. // Bell Telephone Laboratries Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Mar 17, 1953 00:00 | US-2632048-A // Light valve for television systems // Mason Warren P. // Bell Telephone Laboratries Inc | ||||
| PDF File 2589658.pdf | 1.64 MB | Shaun Ewing | Mar 18, 1952 00:00 |
|
US-2589658-A // Semiconductor amplifier and electrode structures therefor // Bardeen John ; Brattain Walter H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Mar 18, 1952 00:00 | US-2589658-A // Semiconductor amplifier and electrode structures therefor // Bardeen John ; Brattain Walter H. // Bell Telephone Labor Inc | ||||
| PDF File 2586901.pdf | 1.64 MB | Shaun Ewing | Feb 26, 1952 00:00 |
|
US-2586901-A // Two-way trunk circuit arranged for dial-back operations // Allison Sewell W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Feb 26, 1952 00:00 | US-2586901-A // Two-way trunk circuit arranged for dial-back operations // Allison Sewell W. // Bell Telephone Labor Inc | ||||
| PDF File 2607887.pdf | 1.64 MB | Shaun Ewing | Aug 19, 1952 00:00 |
|
US-2607887-A // Radio telephone system // Gissler Frank E. ; Laidig John F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Aug 19, 1952 00:00 | US-2607887-A // Radio telephone system // Gissler Frank E. ; Laidig John F. // Bell Telephone Labor Inc | ||||
| PDF File 2586821.pdf | 1.64 MB | Shaun Ewing | Feb 26, 1952 00:00 |
|
US-2586821-A // Selective signaling system using rectifiers back to back // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Feb 26, 1952 00:00 | US-2586821-A // Selective signaling system using rectifiers back to back // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2697749.pdf | 1.63 MB | Shaun Ewing | Dec 21, 1954 00:00 |
|
US-2697749-A // Multifrequency telephone switching system // Jeanne Armand L. ; Keller Arthur C. ; White Samuel D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | Dec 21, 1954 00:00 | US-2697749-A // Multifrequency telephone switching system // Jeanne Armand L. ; Keller Arthur C. ; White Samuel D. // Bell Telephone Labor Inc | ||||
| PDF File 2602872.pdf | 1.63 MB | Shaun Ewing | Jul 08, 1952 00:00 |
|
US-2602872-A // Apparatus for equipping crystals with wires // Ziegler Arthur W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | Jul 08, 1952 00:00 | US-2602872-A // Apparatus for equipping crystals with wires // Ziegler Arthur W. // Bell Telephone Labor Inc | ||||
| PDF File 2683219.pdf | 1.62 MB | Shaun Ewing | Jul 06, 1954 00:00 |
|
US-2683219-A // Variable-frequency relaxation oscillator // Mohr Milton E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | Jul 06, 1954 00:00 | US-2683219-A // Variable-frequency relaxation oscillator // Mohr Milton E. // Bell Telephone Labor Inc | ||||
| PDF File 2549064.pdf | 1.62 MB | Shaun Ewing | Apr 17, 1951 00:00 |
|
US-2549064-A // Multiswitching gaseous discharge device // Depp Wallace A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | Apr 17, 1951 00:00 | US-2549064-A // Multiswitching gaseous discharge device // Depp Wallace A. // Bell Telephone Labor Inc | ||||
| PDF File 2632058.pdf | 1.61 MB | Shaun Ewing | Mar 17, 1953 00:00 |
|
US-2632058-A // Pulse code communication // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Mar 17, 1953 00:00 | US-2632058-A // Pulse code communication // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2650956.pdf | 1.60 MB | Shaun Ewing | Sept 01, 1953 00:00 |
|
US-2650956-A // Amplifier utilizing deflection of an electron beam // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Sept 01, 1953 00:00 | US-2650956-A // Amplifier utilizing deflection of an electron beam // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2562281.pdf | 1.60 MB | Shaun Ewing | Jul 31, 1951 00:00 |
|
US-2562281-A // Directive pickup for transmission lines // Mumford William W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Jul 31, 1951 00:00 | US-2562281-A // Directive pickup for transmission lines // Mumford William W. // Bell Telephone Labor Inc | ||||
| PDF File 2690508.pdf | 1.60 MB | Shaun Ewing | Sept 28, 1954 00:00 |
|
US-2690508-A // Directive antenna system // Cutler Cassius C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Sept 28, 1954 00:00 | US-2690508-A // Directive antenna system // Cutler Cassius C. // Bell Telephone Labor Inc | ||||
| PDF File 2721903.pdf | 1.60 MB | Shaun Ewing | Oct 25, 1955 00:00 |
|
US-2721903-A // Line selection system // Avery Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Oct 25, 1955 00:00 | US-2721903-A // Line selection system // Avery Robert C. // Bell Telephone Labor Inc |
