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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2522402.pdf | 374 kB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522402-A // Negative resistance repeater system // Robertson Sloan D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 374 kB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522402-A // Negative resistance repeater system // Robertson Sloan D. // Bell Telephone Labor Inc | ||||
| PDF File 2522395.pdf | 567 kB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522395-A // Electric wave transmission // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 567 kB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522395-A // Electric wave transmission // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2522389.pdf | 1.05 MB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522389-A // Electric power source // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522389-A // Electric power source // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2522362.pdf | 1021 kB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522362-A // Cable testing method by transmitting pulses of different rates of propagation // Gilbert John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1021 kB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522362-A // Cable testing method by transmitting pulses of different rates of propagation // Gilbert John J. // Bell Telephone Labor Inc | ||||
| PDF File 2522291.pdf | 1.00 MB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522291-A // Cathode-ray tube with target controlled deflecting plates // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522291-A // Cathode-ray tube with target controlled deflecting plates // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2522279.pdf | 326 kB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522279-A // Wave guide coupling // Koller Fredrick W. ; Ley Edmund // Bell Telephone Labor Inc | |||
| Version 1 (current) | 326 kB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522279-A // Wave guide coupling // Koller Fredrick W. ; Ley Edmund // Bell Telephone Labor Inc | ||||
| PDF File 2522259.pdf | 752 kB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522259-A // Electrode temperature regulation // Fay Clifford E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 752 kB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522259-A // Electrode temperature regulation // Fay Clifford E. // Bell Telephone Labor Inc | ||||
| PDF File 2522151.pdf | 325 kB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522151-A // Circuit for testing the dielectric strength of insulating material and recording puncture points // Jr. John R. Weeks, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 325 kB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522151-A // Circuit for testing the dielectric strength of insulating material and recording puncture points // Jr. John R. Weeks, // Bell Telephone Labor Inc | ||||
| PDF File 2522130.pdf | 741 kB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522130-A // Carrier telegraph receiving circuit // Pfleger Kenneth W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 741 kB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522130-A // Carrier telegraph receiving circuit // Pfleger Kenneth W. // Bell Telephone Labor Inc | ||||
| PDF File 2522125.pdf | 679 kB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522125-A // Antenna driving mechanism // Kock Winston E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522125-A // Antenna driving mechanism // Kock Winston E. // Bell Telephone Labor Inc | ||||
| PDF File 2522124.pdf | 798 kB | Shaun Ewing | Sept 12, 1950 00:00 |
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US-2522124-A // Frequency-controlled oscillator // Klute Walter A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 798 kB | Shaun Ewing | Sept 12, 1950 00:00 | US-2522124-A // Frequency-controlled oscillator // Klute Walter A. // Bell Telephone Labor Inc | ||||
| PDF File 2521545.pdf | 552 kB | Shaun Ewing | Sept 05, 1950 00:00 |
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US-2521545-A // Electron discharge device // Shepherd William G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 552 kB | Shaun Ewing | Sept 05, 1950 00:00 | US-2521545-A // Electron discharge device // Shepherd William G. // Bell Telephone Labor Inc | ||||
| PDF File 2521524.pdf | 638 kB | Shaun Ewing | Sept 05, 1950 00:00 |
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US-2521524-A // Directional antenna system // Kock Winston E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 638 kB | Shaun Ewing | Sept 05, 1950 00:00 | US-2521524-A // Directional antenna system // Kock Winston E. // Bell Telephone Labor Inc | ||||
| PDF File 2521507.pdf | 939 kB | Shaun Ewing | Sept 05, 1950 00:00 |
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US-2521507-A // Regulator circuit // Dysart Birney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 939 kB | Shaun Ewing | Sept 05, 1950 00:00 | US-2521507-A // Regulator circuit // Dysart Birney // Bell Telephone Labor Inc | ||||
| PDF File 2521125.pdf | 564 kB | Shaun Ewing | Sept 05, 1950 00:00 |
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US-2521125-A // Wave transmission network // Oliver Bernard M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 564 kB | Shaun Ewing | Sept 05, 1950 00:00 | US-2521125-A // Wave transmission network // Oliver Bernard M. // Bell Telephone Labor Inc | ||||
| PDF File 2521116.pdf | 671 kB | Shaun Ewing | Sept 05, 1950 00:00 |
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US-2521116-A // Wave translating device // Jr. Stephen Doba, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 671 kB | Shaun Ewing | Sept 05, 1950 00:00 | US-2521116-A // Wave translating device // Jr. Stephen Doba, // Bell Telephone Labor Inc | ||||
| PDF File 2521114.pdf | 506 kB | Shaun Ewing | Sept 05, 1950 00:00 |
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US-2521114-A // Combined lock and spreader for portable rolling ladders // Campbell Thaddeus C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Sept 05, 1950 00:00 | US-2521114-A // Combined lock and spreader for portable rolling ladders // Campbell Thaddeus C. // Bell Telephone Labor Inc | ||||
| PDF File 2520962.pdf | 1.66 MB | Shaun Ewing | Sept 05, 1950 00:00 |
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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 2520646.pdf | 450 kB | Shaun Ewing | Aug 29, 1950 00:00 |
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US-2520646-A // Electroacoustic transducer // Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 450 kB | Shaun Ewing | Aug 29, 1950 00:00 | US-2520646-A // Electroacoustic transducer // Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2520640.pdf | 479 kB | Shaun Ewing | Aug 29, 1950 00:00 |
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US-2520640-A // Electroacoustic transducer // Kreisel Ralph R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Aug 29, 1950 00:00 | US-2520640-A // Electroacoustic transducer // Kreisel Ralph R. // Bell Telephone Labor Inc |