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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2564425.pdf | 419 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564425-A // Unitary amplifier for hearing aids // Corso Frank S. ; Crabtree Theodore H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 419 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564425-A // Unitary amplifier for hearing aids // Corso Frank S. ; Crabtree Theodore H. // Bell Telephone Labor Inc | ||||
| PDF File 2564429.pdf | 5.05 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564429-A // Ground trainer for aircraft personnel // Germanton Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.05 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564429-A // Ground trainer for aircraft personnel // Germanton Charles E. // Bell Telephone Labor Inc | ||||
| PDF File 2564432.pdf | 778 kB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564432-A // Impulse counting relay // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 778 kB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564432-A // Impulse counting relay // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 2564437.pdf | 1.41 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564437-A // Automatic volume control // Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564437-A // Automatic volume control // Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 2564439.pdf | 1.07 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564439-A // Standard frequency system // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564439-A // Standard frequency system // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2564441.pdf | 6.29 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564441-A // Telephone system requiring different types of pulses // Mckim Burton ; Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.29 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564441-A // Telephone system requiring different types of pulses // Mckim Burton ; Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2566405.pdf | 776 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566405-A // Frequency modulation // Lange Owen E. De ; Goodall William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 776 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566405-A // Frequency modulation // Lange Owen E. De ; Goodall William M. // Bell Telephone Labor Inc | ||||
| PDF File 2566426.pdf | 434 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566426-A // Relay selecting and indicating circuit // Parks Charles O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 434 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566426-A // Relay selecting and indicating circuit // Parks Charles O. // Bell Telephone Labor Inc | ||||
| PDF File 2566584.pdf | 332 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566584-A // Reflex oscillator // Shepherd William G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 332 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566584-A // Reflex oscillator // Shepherd William G. // Bell Telephone Labor Inc | ||||
| PDF File 2566825.pdf | 582 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566825-A // Tuning control for thermally tuned devices or oscillators // Crump Elmo E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566825-A // Tuning control for thermally tuned devices or oscillators // Crump Elmo E. // Bell Telephone Labor Inc | ||||
| PDF File 2566840.pdf | 1001 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566840-A // Switch for telephone substation sets // Krumreich Charles L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1001 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566840-A // Switch for telephone substation sets // Krumreich Charles L. // Bell Telephone Labor Inc | ||||
| PDF File 2566848.pdf | 932 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566848-A // Wire winding and tensioning device // Morton Jack A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 932 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566848-A // Wire winding and tensioning device // Morton Jack A. // Bell Telephone Labor Inc | ||||
| PDF File 2566849.pdf | 611 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566849-A // Electroacoustic transducer // Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566849-A // Electroacoustic transducer // Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2566850.pdf | 292 kB | Shaun Ewing | Sept 04, 1951 00:00 |
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US-2566850-A // Electroacoustic transducer // Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 292 kB | Shaun Ewing | Sept 04, 1951 00:00 | US-2566850-A // Electroacoustic transducer // Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2567359.pdf | 592 kB | Shaun Ewing | Sept 11, 1951 00:00 |
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US-2567359-A // Electron discharge apparatus // Anderson Alva Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 592 kB | Shaun Ewing | Sept 11, 1951 00:00 | US-2567359-A // Electron discharge apparatus // Anderson Alva Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2567365.pdf | 395 kB | Shaun Ewing | Sept 11, 1951 00:00 |
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US-2567365-A // Polarized operator for telephone receivers // Dalton John F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 395 kB | Shaun Ewing | Sept 11, 1951 00:00 | US-2567365-A // Polarized operator for telephone receivers // Dalton John F. // Bell Telephone Labor Inc | ||||
| PDF File 2567368.pdf | 564 kB | Shaun Ewing | Sept 11, 1951 00:00 |
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US-2567368-A // Telephone transmitter // Eckardt Helmuth // Bell Telephone Labor Inc | |||
| Version 1 (current) | 564 kB | Shaun Ewing | Sept 11, 1951 00:00 | US-2567368-A // Telephone transmitter // Eckardt Helmuth // Bell Telephone Labor Inc | ||||
| PDF File 2567380.pdf | 778 kB | Shaun Ewing | Sept 11, 1951 00:00 |
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US-2567380-A // Parallel telectrical wave transmission network // Kingsbury Burton A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 778 kB | Shaun Ewing | Sept 11, 1951 00:00 | US-2567380-A // Parallel telectrical wave transmission network // Kingsbury Burton A. // Bell Telephone Labor Inc | ||||
| PDF File 2567394.pdf | 733 kB | Shaun Ewing | Sept 11, 1951 00:00 |
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US-2567394-A // Inductance coil // Nuttman Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 733 kB | Shaun Ewing | Sept 11, 1951 00:00 | US-2567394-A // Inductance coil // Nuttman Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2567406.pdf | 609 kB | Shaun Ewing | Sept 11, 1951 00:00 |
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US-2567406-A // Electric discharge device for highfrequency oscillations // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Sept 11, 1951 00:00 | US-2567406-A // Electric discharge device for highfrequency oscillations // Skellett Albert M. // Bell Telephone Labor Inc |
