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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2270644.pdf | 802 kB | Shaun Ewing | Jan 20, 1942 00:00 |
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US-2270644-A // Negative impedance circuits // Blackman Ralph B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 802 kB | Shaun Ewing | Jan 20, 1942 00:00 | US-2270644-A // Negative impedance circuits // Blackman Ralph B. // Bell Telephone Labor Inc | ||||
| PDF File 2350888.pdf | 801 kB | Shaun Ewing | Jun 06, 1944 00:00 |
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US-2350888-A // Selecting system // Hall Nathan I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 801 kB | Shaun Ewing | Jun 06, 1944 00:00 | US-2350888-A // Selecting system // Hall Nathan I. // Bell Telephone Labor Inc | ||||
| PDF File 2345066.pdf | 800 kB | Shaun Ewing | Mar 28, 1944 00:00 |
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US-2345066-A // Gain control system // Nylund Harry W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 800 kB | Shaun Ewing | Mar 28, 1944 00:00 | US-2345066-A // Gain control system // Nylund Harry W. // Bell Telephone Labor Inc | ||||
| PDF File 2262571.pdf | 800 kB | Shaun Ewing | Nov 11, 1941 00:00 |
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US-2262571-A // Telephone station circuit // Allen Lawrence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 800 kB | Shaun Ewing | Nov 11, 1941 00:00 | US-2262571-A // Telephone station circuit // Allen Lawrence H. // Bell Telephone Labor Inc | ||||
| PDF File 2250283.pdf | 799 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250283-A // Electron discharge device // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 799 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250283-A // Electron discharge device // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2243525.pdf | 798 kB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243525-A // Production of artificial speech // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 798 kB | Shaun Ewing | May 27, 1941 00:00 | US-2243525-A // Production of artificial speech // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2300984.pdf | 797 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300984-A // Table receptacle // Smith Edward M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 797 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300984-A // Table receptacle // Smith Edward M. // Bell Telephone Labor Inc | ||||
| PDF File 2279872.pdf | 796 kB | Shaun Ewing | Apr 14, 1942 00:00 |
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US-2279872-A // Diode oscillator // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 796 kB | Shaun Ewing | Apr 14, 1942 00:00 | US-2279872-A // Diode oscillator // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 2356112.pdf | 795 kB | Shaun Ewing | Aug 15, 1944 00:00 |
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US-2356112-A // Electron discharge device // West John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 795 kB | Shaun Ewing | Aug 15, 1944 00:00 | US-2356112-A // Electron discharge device // West John W. // Bell Telephone Labor Inc | ||||
| PDF File 2259100.pdf | 793 kB | Shaun Ewing | Oct 14, 1941 00:00 |
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US-2259100-A // Operator's position circuit // Dahl Jack F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Oct 14, 1941 00:00 | US-2259100-A // Operator's position circuit // Dahl Jack F. // Bell Telephone Labor Inc | ||||
| PDF File 2261573.pdf | 793 kB | Shaun Ewing | Nov 04, 1941 00:00 |
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US-2261573-A // Noise level indicator // Stryker Norman R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261573-A // Noise level indicator // Stryker Norman R. // Bell Telephone Labor Inc | ||||
| PDF File 2249158.pdf | 793 kB | Shaun Ewing | Jul 15, 1941 00:00 |
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US-2249158-A // Electroacoustic transducer // Morrison Louis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Jul 15, 1941 00:00 | US-2249158-A // Electroacoustic transducer // Morrison Louis A. // Bell Telephone Labor Inc | ||||
| PDF File 2250264.pdf | 791 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2250264-A // Telephone ringing system // Ingram Sydney B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 791 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2250264-A // Telephone ringing system // Ingram Sydney B. // Bell Telephone Labor Inc | ||||
| PDF File 2232398.pdf | 789 kB | Shaun Ewing | Feb 18, 1941 00:00 |
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US-2232398-A // Telephone substation circuit // Lundstrom Alexis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 789 kB | Shaun Ewing | Feb 18, 1941 00:00 | US-2232398-A // Telephone substation circuit // Lundstrom Alexis A. // Bell Telephone Labor Inc | ||||
| PDF File 2360878.pdf | 789 kB | Shaun Ewing | Oct 24, 1944 00:00 |
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US-2360878-A // Telegraph system // Kinkead Rita Smith // Bell Telephone Labor Inc | |||
| Version 1 (current) | 789 kB | Shaun Ewing | Oct 24, 1944 00:00 | US-2360878-A // Telegraph system // Kinkead Rita Smith // Bell Telephone Labor Inc | ||||
| PDF File 2272731.pdf | 788 kB | Shaun Ewing | Feb 10, 1942 00:00 |
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US-2272731-A // Electric wave system // Swart Leland K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 788 kB | Shaun Ewing | Feb 10, 1942 00:00 | US-2272731-A // Electric wave system // Swart Leland K. // Bell Telephone Labor Inc | ||||
| PDF File 2363062.pdf | 787 kB | Shaun Ewing | Nov 21, 1944 00:00 |
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US-2363062-A // Signaling system // Hartley Ralph V. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 787 kB | Shaun Ewing | Nov 21, 1944 00:00 | US-2363062-A // Signaling system // Hartley Ralph V. L. // Bell Telephone Labor Inc | ||||
| PDF File 2284529.pdf | 787 kB | Shaun Ewing | May 26, 1942 00:00 |
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US-2284529-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 787 kB | Shaun Ewing | May 26, 1942 00:00 | US-2284529-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2355909.pdf | 787 kB | Shaun Ewing | Aug 15, 1944 00:00 |
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US-2355909-A // Polarized relay // Jr. Emil Dickten, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 787 kB | Shaun Ewing | Aug 15, 1944 00:00 | US-2355909-A // Polarized relay // Jr. Emil Dickten, // Bell Telephone Labor Inc | ||||
| PDF File 2336888.pdf | 786 kB | Shaun Ewing | Dec 14, 1943 00:00 |
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US-2336888-A // Two-way telephone system // Reier George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 786 kB | Shaun Ewing | Dec 14, 1943 00:00 | US-2336888-A // Two-way telephone system // Reier George C. // Bell Telephone Labor Inc |
