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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2590228.pdf | 574 kB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590228-A // Method of adjusting polar relays // Brown John T. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590228-A // Method of adjusting polar relays // Brown John T. L. // Bell Telephone Labor Inc | ||||
| PDF File 2590234.pdf | 1.43 MB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590234-A // Automatic selection of receiving channels // Coxhead Harry B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.43 MB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590234-A // Automatic selection of receiving channels // Coxhead Harry B. // Bell Telephone Labor Inc | ||||
| PDF File 2590248.pdf | 308 kB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590248-A // Voltage sensitive circuit // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 308 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590248-A // Voltage sensitive circuit // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2590262.pdf | 1.42 MB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590262-A // Trunk frame designation transfer // Mcalpine Roderick K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.42 MB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590262-A // Trunk frame designation transfer // Mcalpine Roderick K. // Bell Telephone Labor Inc | ||||
| PDF File 2590263.pdf | 1.31 MB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590263-A // Electrical control apparatus // Mead Edward D. ; Mesch Orwar S. A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590263-A // Electrical control apparatus // Mead Edward D. ; Mesch Orwar S. A. // Bell Telephone Labor Inc | ||||
| PDF File 2590500.pdf | 994 kB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590500-A // Telephone ringer // Bredehoft Harold A. ; Richardson Max S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 994 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590500-A // Telephone ringer // Bredehoft Harold A. ; Richardson Max S. // Bell Telephone Labor Inc | ||||
| PDF File 2590514.pdf | 360 kB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590514-A // Pulsing circuit // Dehn Joseph W. ; Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 360 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590514-A // Pulsing circuit // Dehn Joseph W. ; Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2590584.pdf | 897 kB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590584-A // Sea-water battery // Taylor Raymond L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 897 kB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590584-A // Sea-water battery // Taylor Raymond L. // Bell Telephone Labor Inc | ||||
| PDF File 2590625.pdf | 13.17 MB | Shaun Ewing | Mar 25, 1952 00:00 |
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US-2590625-A // Sorting device // Jr. Amos E. Joel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 13.17 MB | Shaun Ewing | Mar 25, 1952 00:00 | US-2590625-A // Sorting device // Jr. Amos E. Joel, // Bell Telephone Labor Inc | ||||
| PDF File 2590885.pdf | 965 kB | Shaun Ewing | Apr 01, 1952 00:00 |
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US-2590885-A // Spaced-pulse impulse sender // Parkinson David B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 965 kB | Shaun Ewing | Apr 01, 1952 00:00 | US-2590885-A // Spaced-pulse impulse sender // Parkinson David B. // Bell Telephone Labor Inc | ||||
| PDF File 2590945.pdf | 493 kB | Shaun Ewing | Apr 01, 1952 00:00 |
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US-2590945-A // Trunk circuit // Curtis Robert B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Apr 01, 1952 00:00 | US-2590945-A // Trunk circuit // Curtis Robert B. // Bell Telephone Labor Inc | ||||
| PDF File 2590996.pdf | 518 kB | Shaun Ewing | Apr 01, 1952 00:00 |
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US-2590996-A // Relay // Miloche Herman A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Apr 01, 1952 00:00 | US-2590996-A // Relay // Miloche Herman A. // Bell Telephone Labor Inc | ||||
| PDF File 2591032.pdf | 299 kB | Shaun Ewing | Apr 01, 1952 00:00 |
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US-2591032-A // Methods for growing ethylenediamine tartrate crystals // Walker Albert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 299 kB | Shaun Ewing | Apr 01, 1952 00:00 | US-2591032-A // Methods for growing ethylenediamine tartrate crystals // Walker Albert C. // Bell Telephone Labor Inc | ||||
| PDF File 2591579.pdf | 2.73 MB | Shaun Ewing | Apr 01, 1952 00:00 |
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US-2591579-A // Permanent-signal indicating system // Michal Joseph // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.73 MB | Shaun Ewing | Apr 01, 1952 00:00 | US-2591579-A // Permanent-signal indicating system // Michal Joseph // Bell Telephone Labor Inc | ||||
| PDF File 2591580.pdf | 1.03 MB | Shaun Ewing | Apr 01, 1952 00:00 |
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US-2591580-A // Special trunk circuits for transmitting tones to calling subscribers // Michal Joseph // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Apr 01, 1952 00:00 | US-2591580-A // Special trunk circuits for transmitting tones to calling subscribers // Michal Joseph // Bell Telephone Labor Inc | ||||
| PDF File 2591842.pdf | 658 kB | Shaun Ewing | Apr 08, 1952 00:00 |
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US-2591842-A // Electron discharge apparatus // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 658 kB | Shaun Ewing | Apr 08, 1952 00:00 | US-2591842-A // Electron discharge apparatus // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 2591856.pdf | 962 kB | Shaun Ewing | Apr 08, 1952 00:00 |
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US-2591856-A // Pulse echo distance indicator // Oliver Bernard M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 962 kB | Shaun Ewing | Apr 08, 1952 00:00 | US-2591856-A // Pulse echo distance indicator // Oliver Bernard M. // Bell Telephone Labor Inc | ||||
| PDF File 2592228.pdf | 1.17 MB | Shaun Ewing | Apr 08, 1952 00:00 |
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US-2592228-A // Decoder for pulse code modulation receivers // Jr. Edgar W. Adams, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Apr 08, 1952 00:00 | US-2592228-A // Decoder for pulse code modulation receivers // Jr. Edgar W. Adams, // Bell Telephone Labor Inc | ||||
| PDF File 2592308.pdf | 2.12 MB | Shaun Ewing | Apr 08, 1952 00:00 |
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US-2592308-A // Nonlinear pulse code modulation system // Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.12 MB | Shaun Ewing | Apr 08, 1952 00:00 | US-2592308-A // Nonlinear pulse code modulation system // Meacham Larned A. // Bell Telephone Labor Inc | ||||
| PDF File 2592549.pdf | 753 kB | Shaun Ewing | Apr 15, 1952 00:00 |
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US-2592549-A // Anode structure for electron discharge devices // Ekstrand Sture O. ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 753 kB | Shaun Ewing | Apr 15, 1952 00:00 | US-2592549-A // Anode structure for electron discharge devices // Ekstrand Sture O. ; Ronci Victor L. // Bell Telephone Labor Inc |
