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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2281912.pdf | 1.06 MB | Shaun Ewing | May 05, 1942 00:00 |
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US-2281912-A // Two-way signaling system // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | May 05, 1942 00:00 | US-2281912-A // Two-way signaling system // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2282369.pdf | 1.24 MB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282369-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | May 12, 1942 00:00 | US-2282369-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2282392.pdf | 748 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282392-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 748 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282392-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2282394.pdf | 783 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282394-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 783 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282394-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2282434.pdf | 525 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282434-A // Speech transmission system // Staples Elliot M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 525 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282434-A // Speech transmission system // Staples Elliot M. // Bell Telephone Labor Inc | ||||
| PDF File 2282437.pdf | 980 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282437-A // Speech transmission system // Taylor Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 980 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282437-A // Speech transmission system // Taylor Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2282464.pdf | 2.46 MB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282464-A // Speech transmission system // Edwards Paul G. ; Taylor Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.46 MB | Shaun Ewing | May 12, 1942 00:00 | US-2282464-A // Speech transmission system // Edwards Paul G. ; Taylor Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2282465.pdf | 362 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282465-A // Speech transmission system // Edwards Paul G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 362 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282465-A // Speech transmission system // Edwards Paul G. // Bell Telephone Labor Inc | ||||
| PDF File 2282719.pdf | 442 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282719-A // Signaling system // Gannett Danforth K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 442 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282719-A // Signaling system // Gannett Danforth K. // Bell Telephone Labor Inc | ||||
| PDF File 2282744.pdf | 532 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282744-A // Volume control circuit // Polkinghorn Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 532 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282744-A // Volume control circuit // Polkinghorn Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 2282944.pdf | 367 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282944-A // Resistance composition and method of making it // Dearborn Ernest F. ; Pearson Gerald L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 367 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282944-A // Resistance composition and method of making it // Dearborn Ernest F. ; Pearson Gerald L. // Bell Telephone Labor Inc | ||||
| PDF File 2282951.pdf | 813 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282951-A // Measurement of phase shift // Engelhardt George B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 813 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282951-A // Measurement of phase shift // Engelhardt George B. // Bell Telephone Labor Inc | ||||
| PDF File 2283098.pdf | 214 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2283098-A // Hand telephone // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 214 kB | Shaun Ewing | May 12, 1942 00:00 | US-2283098-A // Hand telephone // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2283148.pdf | 779 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2283148-A // Modulation of cathode ray devices // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 779 kB | Shaun Ewing | May 12, 1942 00:00 | US-2283148-A // Modulation of cathode ray devices // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2283158.pdf | 1.41 MB | Shaun Ewing | May 12, 1942 00:00 |
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US-2283158-A // Solder connecting apparatus // Humphrey Robert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | May 12, 1942 00:00 | US-2283158-A // Solder connecting apparatus // Humphrey Robert G. // Bell Telephone Labor Inc | ||||
| PDF File 2283203.pdf | 1.62 MB | Shaun Ewing | May 19, 1942 00:00 |
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US-2283203-A // Semiautomatic control system // Hall John A. ; Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | May 19, 1942 00:00 | US-2283203-A // Semiautomatic control system // Hall John A. ; Melhose Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2283366.pdf | 904 kB | Shaun Ewing | May 19, 1942 00:00 |
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US-2283366-A // Relay // Hickman Clarence N. ; Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 904 kB | Shaun Ewing | May 19, 1942 00:00 | US-2283366-A // Relay // Hickman Clarence N. ; Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2283395.pdf | 2.13 MB | Shaun Ewing | May 19, 1942 00:00 |
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US-2283395-A // Telephone system // Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.13 MB | Shaun Ewing | May 19, 1942 00:00 | US-2283395-A // Telephone system // Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2283396.pdf | 596 kB | Shaun Ewing | May 19, 1942 00:00 |
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US-2283396-A // Telephone coin collector // Towne Charles C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 596 kB | Shaun Ewing | May 19, 1942 00:00 | US-2283396-A // Telephone coin collector // Towne Charles C. // Bell Telephone Labor Inc | ||||
| PDF File 2283410.pdf | 2.76 MB | Shaun Ewing | May 19, 1942 00:00 |
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US-2283410-A // Teletypewriter exchange system // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.76 MB | Shaun Ewing | May 19, 1942 00:00 | US-2283410-A // Teletypewriter exchange system // Bonorden Allen R. // Bell Telephone Labor Inc |
