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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2411865.pdf | 1002 kB | Shaun Ewing | Dec 03, 1946 00:00 |
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US-2411865-A // Submarine signaling device // Bostwick Lee G. ; King John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1002 kB | Shaun Ewing | Dec 03, 1946 00:00 | US-2411865-A // Submarine signaling device // Bostwick Lee G. ; King John H. // Bell Telephone Labor Inc | ||||
| PDF File 2408081.pdf | 1000 kB | Shaun Ewing | Sept 24, 1946 00:00 |
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US-2408081-A // Artillery predictor // Lovell Clarence A. ; Parkinson David B. ; Jr. Karl D. Swartzel, ; Weber Bruce T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1000 kB | Shaun Ewing | Sept 24, 1946 00:00 | US-2408081-A // Artillery predictor // Lovell Clarence A. ; Parkinson David B. ; Jr. Karl D. Swartzel, ; Weber Bruce T. // Bell Telephone Labor Inc | ||||
| PDF File 2457555.pdf | 1000 kB | Shaun Ewing | Dec 28, 1948 00:00 |
|
US-2457555-A // Apparatus for orienting quartz crystals by x-rays // Haworth Francis E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1000 kB | Shaun Ewing | Dec 28, 1948 00:00 | US-2457555-A // Apparatus for orienting quartz crystals by x-rays // Haworth Francis E. // Bell Telephone Labor Inc | ||||
| PDF File 2479465.pdf | 997 kB | Shaun Ewing | Aug 16, 1949 00:00 |
|
US-2479465-A // Control device // Boeck Gunther A. ; Howard Edson J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 997 kB | Shaun Ewing | Aug 16, 1949 00:00 | US-2479465-A // Control device // Boeck Gunther A. ; Howard Edson J. // Bell Telephone Labor Inc | ||||
| PDF File 2430488.pdf | 995 kB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430488-A // Adjustable compensated standard // Wilhelm Henry T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 995 kB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430488-A // Adjustable compensated standard // Wilhelm Henry T. // Bell Telephone Labor Inc | ||||
| PDF File 2486265.pdf | 992 kB | Shaun Ewing | Oct 25, 1949 00:00 |
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US-2486265-A // Variable frequency oscillator // Dennis Fred R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 992 kB | Shaun Ewing | Oct 25, 1949 00:00 | US-2486265-A // Variable frequency oscillator // Dennis Fred R. // Bell Telephone Labor Inc | ||||
| PDF File 2429236.pdf | 992 kB | Shaun Ewing | Oct 21, 1947 00:00 |
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US-2429236-A // Analysis and representation of complex waves // Potter Ralph K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 992 kB | Shaun Ewing | Oct 21, 1947 00:00 | US-2429236-A // Analysis and representation of complex waves // Potter Ralph K. // Bell Telephone Labor Inc | ||||
| PDF File 2502530.pdf | 992 kB | Shaun Ewing | Apr 04, 1950 00:00 |
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US-2502530-A // Electron discharge device for ultra high frequencies // Morton Jack A. ; Vance Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 992 kB | Shaun Ewing | Apr 04, 1950 00:00 | US-2502530-A // Electron discharge device for ultra high frequencies // Morton Jack A. ; Vance Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2458579.pdf | 990 kB | Shaun Ewing | Jan 11, 1949 00:00 |
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US-2458579-A // Microwave modulator // Feldman Carl B. H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 990 kB | Shaun Ewing | Jan 11, 1949 00:00 | US-2458579-A // Microwave modulator // Feldman Carl B. H. // Bell Telephone Labor Inc | ||||
| PDF File 2484635.pdf | 986 kB | Shaun Ewing | Oct 11, 1949 00:00 |
|
US-2484635-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 986 kB | Shaun Ewing | Oct 11, 1949 00:00 | US-2484635-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2416710.pdf | 986 kB | Shaun Ewing | Mar 04, 1947 00:00 |
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US-2416710-A // Marker circuit for crossbar telephone systems // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 986 kB | Shaun Ewing | Mar 04, 1947 00:00 | US-2416710-A // Marker circuit for crossbar telephone systems // Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2438948.pdf | 983 kB | Shaun Ewing | Apr 06, 1948 00:00 |
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US-2438948-A // Modulating system // Riesz Robert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 983 kB | Shaun Ewing | Apr 06, 1948 00:00 | US-2438948-A // Modulating system // Riesz Robert R. // Bell Telephone Labor Inc | ||||
| PDF File 2412619.pdf | 982 kB | Shaun Ewing | Dec 17, 1946 00:00 |
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US-2412619-A // Apparatus for and method of making contoured electrical resistance cards // Kindermann Wilfred J. ; Werring Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 982 kB | Shaun Ewing | Dec 17, 1946 00:00 | US-2412619-A // Apparatus for and method of making contoured electrical resistance cards // Kindermann Wilfred J. ; Werring Walter W. // Bell Telephone Labor Inc | ||||
| PDF File 2531230.pdf | 981 kB | Shaun Ewing | Nov 21, 1950 00:00 |
|
US-2531230-A // Electric power source // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 981 kB | Shaun Ewing | Nov 21, 1950 00:00 | US-2531230-A // Electric power source // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2532097.pdf | 980 kB | Shaun Ewing | Nov 28, 1950 00:00 |
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US-2532097-A // Decentralized line switch arrangement // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 980 kB | Shaun Ewing | Nov 28, 1950 00:00 | US-2532097-A // Decentralized line switch arrangement // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2463180.pdf | 980 kB | Shaun Ewing | Mar 01, 1949 00:00 |
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US-2463180-A // Method and apparatus for making mosaic targets for electron beams // Johnson John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 980 kB | Shaun Ewing | Mar 01, 1949 00:00 | US-2463180-A // Method and apparatus for making mosaic targets for electron beams // Johnson John B. // Bell Telephone Labor Inc | ||||
| PDF File 2392496.pdf | 980 kB | Shaun Ewing | Jan 08, 1946 00:00 |
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US-2392496-A // Transmission control in two-way signaling systems // Norwine Andrew C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 980 kB | Shaun Ewing | Jan 08, 1946 00:00 | US-2392496-A // Transmission control in two-way signaling systems // Norwine Andrew C. // Bell Telephone Labor Inc | ||||
| PDF File 2466880.pdf | 980 kB | Shaun Ewing | Apr 12, 1949 00:00 |
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US-2466880-A // Speech analysis and synthesis system // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 980 kB | Shaun Ewing | Apr 12, 1949 00:00 | US-2466880-A // Speech analysis and synthesis system // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2528120.pdf | 980 kB | Shaun Ewing | Oct 31, 1950 00:00 |
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US-2528120-A // Telegraph hub repeater // Davey James R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 980 kB | Shaun Ewing | Oct 31, 1950 00:00 | US-2528120-A // Telegraph hub repeater // Davey James R. // Bell Telephone Labor Inc | ||||
| PDF File 2435585.pdf | 979 kB | Shaun Ewing | Feb 10, 1948 00:00 |
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US-2435585-A // High-frequency relay employing an electron discharge device // Hartman Paul L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 979 kB | Shaun Ewing | Feb 10, 1948 00:00 | US-2435585-A // High-frequency relay employing an electron discharge device // Hartman Paul L. // Bell Telephone Labor Inc |
