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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2549551.pdf | 873 kB | Shaun Ewing | Apr 17, 1951 00:00 |
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US-2549551-A // Grid electrode structure and manufacturing method therefor // Walsh Edward J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 873 kB | Shaun Ewing | Apr 17, 1951 00:00 | US-2549551-A // Grid electrode structure and manufacturing method therefor // Walsh Edward J. // Bell Telephone Labor Inc | ||||
| PDF File 2549872.pdf | 2.08 MB | Shaun Ewing | Apr 24, 1951 00:00 |
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US-2549872-A // Focusing ultrasonic radiator // Willard Gerald W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.08 MB | Shaun Ewing | Apr 24, 1951 00:00 | US-2549872-A // Focusing ultrasonic radiator // Willard Gerald W. // Bell Telephone Labor Inc | ||||
| PDF File 2550518.pdf | 1.80 MB | Shaun Ewing | Apr 24, 1951 00:00 |
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US-2550518-A // Control of impedance of semiconductor amplifier circuits // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.80 MB | Shaun Ewing | Apr 24, 1951 00:00 | US-2550518-A // Control of impedance of semiconductor amplifier circuits // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2550585.pdf | 2.88 MB | Shaun Ewing | Apr 24, 1951 00:00 |
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US-2550585-A // Telephone identification circuit // Murphy Richard P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.88 MB | Shaun Ewing | Apr 24, 1951 00:00 | US-2550585-A // Telephone identification circuit // Murphy Richard P. // Bell Telephone Labor Inc | ||||
| PDF File 2550595.pdf | 1.06 MB | Shaun Ewing | Apr 24, 1951 00:00 |
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US-2550595-A // Equalizer for transmission lines // Pfleger Kenneth W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Apr 24, 1951 00:00 | US-2550595-A // Equalizer for transmission lines // Pfleger Kenneth W. // Bell Telephone Labor Inc | ||||
| PDF File 2550596.pdf | 1.16 MB | Shaun Ewing | Apr 24, 1951 00:00 |
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US-2550596-A // Equalizer for transmission lines // Pfleger Kenneth W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Apr 24, 1951 00:00 | US-2550596-A // Equalizer for transmission lines // Pfleger Kenneth W. // Bell Telephone Labor Inc | ||||
| PDF File 2550600.pdf | 496 kB | Shaun Ewing | Apr 24, 1951 00:00 |
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US-2550600-A // Indicating circuit // Rehm Theodore C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Apr 24, 1951 00:00 | US-2550600-A // Indicating circuit // Rehm Theodore C. // Bell Telephone Labor Inc | ||||
| PDF File 2550605.pdf | 856 kB | Shaun Ewing | Apr 24, 1951 00:00 |
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US-2550605-A // Circuit closing device // Schenck Alfred K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 856 kB | Shaun Ewing | Apr 24, 1951 00:00 | US-2550605-A // Circuit closing device // Schenck Alfred K. // Bell Telephone Labor Inc | ||||
| PDF File 2550909.pdf | 1.51 MB | Shaun Ewing | May 01, 1951 00:00 |
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US-2550909-A // Recording system // Busch Aloysius J. ; Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | May 01, 1951 00:00 | US-2550909-A // Recording system // Busch Aloysius J. ; Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 2552619.pdf | 991 kB | Shaun Ewing | May 15, 1951 00:00 |
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US-2552619-A // Electron beam coder for pulse code modulation // Carbrey Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 991 kB | Shaun Ewing | May 15, 1951 00:00 | US-2552619-A // Electron beam coder for pulse code modulation // Carbrey Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2552626.pdf | 486 kB | Shaun Ewing | May 15, 1951 00:00 |
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US-2552626-A // Silicon-germanium resistor and method of making it // Fisher Joseph R. ; Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 486 kB | Shaun Ewing | May 15, 1951 00:00 | US-2552626-A // Silicon-germanium resistor and method of making it // Fisher Joseph R. ; Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2552629.pdf | 2.49 MB | Shaun Ewing | May 15, 1951 00:00 |
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US-2552629-A // Error-detecting and correcting system // Hamming Richard W. ; Holbrook Bernard D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.49 MB | Shaun Ewing | May 15, 1951 00:00 | US-2552629-A // Error-detecting and correcting system // Hamming Richard W. ; Holbrook Bernard D. // Bell Telephone Labor Inc | ||||
| PDF File 2552640.pdf | 327 kB | Shaun Ewing | May 15, 1951 00:00 |
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US-2552640-A // Oxide resistors and method of making them // Morin Francis J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 327 kB | Shaun Ewing | May 15, 1951 00:00 | US-2552640-A // Oxide resistors and method of making them // Morin Francis J. // Bell Telephone Labor Inc | ||||
| PDF File 2553245.pdf | 690 kB | Shaun Ewing | May 15, 1951 00:00 |
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US-2553245-A // Electronic tracing system // Espenschied Lloyd // Bell Telephone Labor Inc | |||
| Version 1 (current) | 690 kB | Shaun Ewing | May 15, 1951 00:00 | US-2553245-A // Electronic tracing system // Espenschied Lloyd // Bell Telephone Labor Inc | ||||
| PDF File 2553255.pdf | 897 kB | Shaun Ewing | May 15, 1951 00:00 |
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US-2553255-A // Telephone substation apparatus // Hayward John M. ; Jr. Charles A. Johnson, ; Neisser Wilson R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 897 kB | Shaun Ewing | May 15, 1951 00:00 | US-2553255-A // Telephone substation apparatus // Hayward John M. ; Jr. Charles A. Johnson, ; Neisser Wilson R. // Bell Telephone Labor Inc | ||||
| PDF File 2553490.pdf | 1.02 MB | Shaun Ewing | May 15, 1951 00:00 |
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US-2553490-A // Magnetic control of semiconductor currents // Jr. Robert L. Wallace, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | May 15, 1951 00:00 | US-2553490-A // Magnetic control of semiconductor currents // Jr. Robert L. Wallace, // Bell Telephone Labor Inc | ||||
| PDF File 2553491.pdf | 529 kB | Shaun Ewing | May 15, 1951 00:00 |
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US-2553491-A // Acoustic transducer utilizing semiconductors // Shockley William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 529 kB | Shaun Ewing | May 15, 1951 00:00 | US-2553491-A // Acoustic transducer utilizing semiconductors // Shockley William // Bell Telephone Labor Inc | ||||
| PDF File 2553747.pdf | 768 kB | Shaun Ewing | May 22, 1951 00:00 |
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US-2553747-A // Method and means for transposing open-wire lines // Carr James A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 768 kB | Shaun Ewing | May 22, 1951 00:00 | US-2553747-A // Method and means for transposing open-wire lines // Carr James A. // Bell Telephone Labor Inc | ||||
| PDF File 2553749.pdf | 1.00 MB | Shaun Ewing | May 22, 1951 00:00 |
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US-2553749-A // Sealing fixture for the manufacture of electron discharge devices // Clark James E. ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | May 22, 1951 00:00 | US-2553749-A // Sealing fixture for the manufacture of electron discharge devices // Clark James E. ; Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2553752.pdf | 369 kB | Shaun Ewing | May 22, 1951 00:00 |
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US-2553752-A // Combined multivibrator and sweep circuit // Lange Owen E. De // Bell Telephone Labor Inc | |||
| Version 1 (current) | 369 kB | Shaun Ewing | May 22, 1951 00:00 | US-2553752-A // Combined multivibrator and sweep circuit // Lange Owen E. De // Bell Telephone Labor Inc |
