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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2500646.pdf | 1.21 MB | Shaun Ewing | Mar 14, 1950 00:00 |
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US-2500646-A // Visual representation of complex waves // Riesz Robert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Mar 14, 1950 00:00 | US-2500646-A // Visual representation of complex waves // Riesz Robert R. // Bell Telephone Labor Inc | ||||
| PDF File 2500638.pdf | 657 kB | Shaun Ewing | Mar 14, 1950 00:00 |
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US-2500638-A // Aid for the blind // Krauth Edwin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 657 kB | Shaun Ewing | Mar 14, 1950 00:00 | US-2500638-A // Aid for the blind // Krauth Edwin A. // Bell Telephone Labor Inc | ||||
| PDF File 2500431.pdf | 898 kB | Shaun Ewing | Mar 14, 1950 00:00 |
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US-2500431-A // Visual representation of complex waves // Potter Ralph K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 898 kB | Shaun Ewing | Mar 14, 1950 00:00 | US-2500431-A // Visual representation of complex waves // Potter Ralph K. // Bell Telephone Labor Inc | ||||
| PDF File 2500430.pdf | 654 kB | Shaun Ewing | Mar 14, 1950 00:00 |
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US-2500430-A // Cavity resonator oscillator device // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Mar 14, 1950 00:00 | US-2500430-A // Cavity resonator oscillator device // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2500417.pdf | 803 kB | Shaun Ewing | Mar 14, 1950 00:00 |
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US-2500417-A // Electrical resonator // Kinzer John P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 803 kB | Shaun Ewing | Mar 14, 1950 00:00 | US-2500417-A // Electrical resonator // Kinzer John P. // Bell Telephone Labor Inc | ||||
| PDF File 2499759.pdf | 665 kB | Shaun Ewing | Mar 07, 1950 00:00 |
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US-2499759-A // Location of faults in electrical transmission systems // Kempf Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 665 kB | Shaun Ewing | Mar 07, 1950 00:00 | US-2499759-A // Location of faults in electrical transmission systems // Kempf Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2499606.pdf | 1.35 MB | Shaun Ewing | Mar 07, 1950 00:00 |
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US-2499606-A // Preset type telephone dialer with pulse generating transformers // Parkinson David B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Mar 07, 1950 00:00 | US-2499606-A // Preset type telephone dialer with pulse generating transformers // Parkinson David B. // Bell Telephone Labor Inc | ||||
| PDF File 2499001.pdf | 1.25 MB | Shaun Ewing | Feb 28, 1950 00:00 |
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US-2499001-A // Frequency modulation system for locating impedance irregularities // Green Estill I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Feb 28, 1950 00:00 | US-2499001-A // Frequency modulation system for locating impedance irregularities // Green Estill I. // Bell Telephone Labor Inc | ||||
| PDF File 2499000.pdf | 847 kB | Shaun Ewing | Feb 28, 1950 00:00 |
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US-2499000-A // Frequency modulation system for locating impedance irregularities // Quarles Donald A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 847 kB | Shaun Ewing | Feb 28, 1950 00:00 | US-2499000-A // Frequency modulation system for locating impedance irregularities // Quarles Donald A. // Bell Telephone Labor Inc | ||||
| PDF File 2497901.pdf | 807 kB | Shaun Ewing | Feb 21, 1950 00:00 |
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US-2497901-A // Magnetostrictive transmitter // Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 807 kB | Shaun Ewing | Feb 21, 1950 00:00 | US-2497901-A // Magnetostrictive transmitter // Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2496970.pdf | 695 kB | Shaun Ewing | Feb 07, 1950 00:00 |
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US-2496970-A // Cathode-ray tube circuit // Wertz Hugh S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 695 kB | Shaun Ewing | Feb 07, 1950 00:00 | US-2496970-A // Cathode-ray tube circuit // Wertz Hugh S. // Bell Telephone Labor Inc | ||||
| PDF File 2496639.pdf | 500 kB | Shaun Ewing | Feb 07, 1950 00:00 |
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US-2496639-A // Aid for the blind // Jr. John W. Richardt, ; Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Feb 07, 1950 00:00 | US-2496639-A // Aid for the blind // Jr. John W. Richardt, ; Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2496186.pdf | 1.36 MB | Shaun Ewing | Jan 31, 1950 00:00 |
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US-2496186-A // Voice-controlled two-way telephone set // Walter James N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.36 MB | Shaun Ewing | Jan 31, 1950 00:00 | US-2496186-A // Voice-controlled two-way telephone set // Walter James N. // Bell Telephone Labor Inc | ||||
| PDF File 2495683.pdf | 9.11 MB | Shaun Ewing | Jan 31, 1950 00:00 |
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US-2495683-A // Communication system // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 9.11 MB | Shaun Ewing | Jan 31, 1950 00:00 | US-2495683-A // Communication system // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2495682.pdf | 8.90 MB | Shaun Ewing | Jan 31, 1950 00:00 |
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US-2495682-A // Communication system // Bacon Walter M. ; Watson Edward F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 8.90 MB | Shaun Ewing | Jan 31, 1950 00:00 | US-2495682-A // Communication system // Bacon Walter M. ; Watson Edward F. // Bell Telephone Labor Inc | ||||
| PDF File 2494722.pdf | 297 kB | Shaun Ewing | Jan 17, 1950 00:00 |
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US-2494722-A // Resistive termination // Rosen Sidney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 297 kB | Shaun Ewing | Jan 17, 1950 00:00 | US-2494722-A // Resistive termination // Rosen Sidney // Bell Telephone Labor Inc | ||||
| PDF File 2494721.pdf | 507 kB | Shaun Ewing | Jan 17, 1950 00:00 |
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US-2494721-A // Electron velocity variation device with noise reducing resonator // Robertson Sloan D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 507 kB | Shaun Ewing | Jan 17, 1950 00:00 | US-2494721-A // Electron velocity variation device with noise reducing resonator // Robertson Sloan D. // Bell Telephone Labor Inc | ||||
| PDF File 2494693.pdf | 1.19 MB | Shaun Ewing | Jan 17, 1950 00:00 |
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US-2494693-A // Electron discharge device // Ekstrand Sture O. ; Maggs Charles ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | Jan 17, 1950 00:00 | US-2494693-A // Electron discharge device // Ekstrand Sture O. ; Maggs Charles ; Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2494499.pdf | 847 kB | Shaun Ewing | Jan 10, 1950 00:00 |
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US-2494499-A // Bridge network // Wilhelm Henry T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 847 kB | Shaun Ewing | Jan 10, 1950 00:00 | US-2494499-A // Bridge network // Wilhelm Henry T. // Bell Telephone Labor Inc | ||||
| PDF File 2494475.pdf | 3.16 MB | Shaun Ewing | Jan 10, 1950 00:00 |
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US-2494475-A // Fringe office arrangement // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.16 MB | Shaun Ewing | Jan 10, 1950 00:00 | US-2494475-A // Fringe office arrangement // Hersey Ralph E. // Bell Telephone Labor Inc |
