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 2649508.pdf | 890 kB | Shaun Ewing | Aug 18, 1953 00:00 |
|
US-2649508-A // Interstage coupling circuit for wide band amplifiers // Harrsion Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 890 kB | Shaun Ewing | Aug 18, 1953 00:00 | US-2649508-A // Interstage coupling circuit for wide band amplifiers // Harrsion Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2547397.pdf | 888 kB | Shaun Ewing | Apr 03, 1951 00:00 |
|
US-2547397-A // Signal sampling and modulation // Kirkpatrick William E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 888 kB | Shaun Ewing | Apr 03, 1951 00:00 | US-2547397-A // Signal sampling and modulation // Kirkpatrick William E. // Bell Telephone Labor Inc | ||||
| PDF File 2683794.pdf | 887 kB | Shaun Ewing | Jul 13, 1954 00:00 |
|
US-2683794-A // Infrared energy source // Briggs Howard B. ; Haynes James R. ; Shockley William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Jul 13, 1954 00:00 | US-2683794-A // Infrared energy source // Briggs Howard B. ; Haynes James R. ; Shockley William // Bell Telephone Labor Inc | ||||
| PDF File 2657334.pdf | 887 kB | Shaun Ewing | Oct 27, 1953 00:00 |
|
US-2657334-A // Tunable magnetron // West John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Oct 27, 1953 00:00 | US-2657334-A // Tunable magnetron // West John W. // Bell Telephone Labor Inc | ||||
| PDF File 2573713.pdf | 882 kB | Shaun Ewing | Nov 06, 1951 00:00 |
|
US-2573713-A // Electrical wave guide switch // Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 882 kB | Shaun Ewing | Nov 06, 1951 00:00 | US-2573713-A // Electrical wave guide switch // Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 2706221.pdf | 878 kB | Shaun Ewing | Apr 12, 1955 00:00 |
|
US-2706221-A // Two-step lockout system // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 878 kB | Shaun Ewing | Apr 12, 1955 00:00 | US-2706221-A // Two-step lockout system // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2701279.pdf | 878 kB | Shaun Ewing | Feb 01, 1955 00:00 |
|
US-2701279-A // Multifrequency signaling system // Lovell Clarence A. ; Mcguigan John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 878 kB | Shaun Ewing | Feb 01, 1955 00:00 | US-2701279-A // Multifrequency signaling system // Lovell Clarence A. ; Mcguigan John H. // Bell Telephone Labor Inc | ||||
| PDF File 2583029.pdf | 876 kB | Shaun Ewing | Jan 22, 1952 00:00 |
|
US-2583029-A // Method of preparing glow discharge devices // Townsend Mark A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 876 kB | Shaun Ewing | Jan 22, 1952 00:00 | US-2583029-A // Method of preparing glow discharge devices // Townsend Mark A. // Bell Telephone Labor Inc | ||||
| PDF File 2596251.pdf | 876 kB | Shaun Ewing | May 13, 1952 00:00 |
|
US-2596251-A // Wave guide lens system // Kock Winston E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 876 kB | Shaun Ewing | May 13, 1952 00:00 | US-2596251-A // Wave guide lens system // Kock Winston E. // Bell Telephone Labor Inc | ||||
| PDF File 2651678.pdf | 875 kB | Shaun Ewing | Sept 08, 1953 00:00 |
|
US-2651678-A // Coding and signaling system // Edwards Paul G. ; Wurmser Alphons V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 875 kB | Shaun Ewing | Sept 08, 1953 00:00 | US-2651678-A // Coding and signaling system // Edwards Paul G. ; Wurmser Alphons V. // Bell Telephone Labor Inc | ||||
| PDF File 2662933.pdf | 875 kB | Shaun Ewing | Dec 15, 1953 00:00 |
|
US-2662933-A // Multiplex carrier telegraph system // Singer Fred J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 875 kB | Shaun Ewing | Dec 15, 1953 00:00 | US-2662933-A // Multiplex carrier telegraph system // Singer Fred J. // Bell Telephone Labor Inc | ||||
| PDF File 2568823.pdf | 874 kB | Shaun Ewing | Sept 25, 1951 00:00 |
|
US-2568823-A // Loud-speaking telephone set // Potter Ralph K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 874 kB | Shaun Ewing | Sept 25, 1951 00:00 | US-2568823-A // Loud-speaking telephone set // Potter Ralph K. // Bell Telephone Labor Inc | ||||
| PDF File 2622211.pdf | 873 kB | Shaun Ewing | Dec 16, 1952 00:00 |
|
US-2622211-A // Stabilized transistor trigger circuit // Trent Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 873 kB | Shaun Ewing | Dec 16, 1952 00:00 | US-2622211-A // Stabilized transistor trigger circuit // Trent Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2549551.pdf | 873 kB | Shaun Ewing | Apr 17, 1951 00:00 |
|
US-2549551-A // Grid electrode structure and manufacturing method therefor // Walsh Edward J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 873 kB | Shaun Ewing | Apr 17, 1951 00:00 | US-2549551-A // Grid electrode structure and manufacturing method therefor // Walsh Edward J. // Bell Telephone Labor Inc | ||||
| PDF File 2612561.pdf | 871 kB | Shaun Ewing | Sept 30, 1952 00:00 |
|
US-2612561-A // Half-duplex telegraph repeater // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 871 kB | Shaun Ewing | Sept 30, 1952 00:00 | US-2612561-A // Half-duplex telegraph repeater // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2617885.pdf | 870 kB | Shaun Ewing | Nov 11, 1952 00:00 |
|
US-2617885-A // Frequency changing regenerative pulse repeater // Cutler Cassius C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 870 kB | Shaun Ewing | Nov 11, 1952 00:00 | US-2617885-A // Frequency changing regenerative pulse repeater // Cutler Cassius C. // Bell Telephone Labor Inc | ||||
| PDF File 2691750.pdf | 869 kB | Shaun Ewing | Oct 12, 1954 00:00 |
|
US-2691750-A // Semiconductor amplifier // Shive John N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 869 kB | Shaun Ewing | Oct 12, 1954 00:00 | US-2691750-A // Semiconductor amplifier // Shive John N. // Bell Telephone Labor Inc | ||||
| PDF File 2561478.pdf | 868 kB | Shaun Ewing | Jul 24, 1951 00:00 |
|
US-2561478-A // Analyzing system for determining the fundamental frequency of a complex wave // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 868 kB | Shaun Ewing | Jul 24, 1951 00:00 | US-2561478-A // Analyzing system for determining the fundamental frequency of a complex wave // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2581847.pdf | 866 kB | Shaun Ewing | Jan 08, 1952 00:00 |
|
US-2581847-A // Radiant energy object locating system // Espenschied Lloyd ; Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 866 kB | Shaun Ewing | Jan 08, 1952 00:00 | US-2581847-A // Radiant energy object locating system // Espenschied Lloyd ; Chaffee Joseph G. // Bell Telephone Labor Inc | ||||
| PDF File 2669666.pdf | 864 kB | Shaun Ewing | Feb 16, 1954 00:00 |
|
US-2669666-A // Piezoelectric transducer // Mason Warren P. ; Matthias Bernd T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 864 kB | Shaun Ewing | Feb 16, 1954 00:00 | US-2669666-A // Piezoelectric transducer // Mason Warren P. ; Matthias Bernd T. // Bell Telephone Labor Inc |