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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2454328.pdf | 1.30 MB | Shaun Ewing | Nov 23, 1948 00:00 |
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US-2454328-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Nov 23, 1948 00:00 | US-2454328-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2454314.pdf | 584 kB | Shaun Ewing | Nov 23, 1948 00:00 |
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US-2454314-A // Vacuum cleaner // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Nov 23, 1948 00:00 | US-2454314-A // Vacuum cleaner // Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 2454301.pdf | 2.91 MB | Shaun Ewing | Nov 23, 1948 00:00 |
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US-2454301-A // Telegraph system // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.91 MB | Shaun Ewing | Nov 23, 1948 00:00 | US-2454301-A // Telegraph system // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2454089.pdf | 2.01 MB | Shaun Ewing | Nov 16, 1948 00:00 |
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US-2454089-A // Regenerative repeater // Rea Wilton T. ; Wilkerson Jefferson R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.01 MB | Shaun Ewing | Nov 16, 1948 00:00 | US-2454089-A // Regenerative repeater // Rea Wilton T. ; Wilkerson Jefferson R. // Bell Telephone Labor Inc | ||||
| PDF File 2454045.pdf | 625 kB | Shaun Ewing | Nov 16, 1948 00:00 |
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US-2454045-A // Amplifier // Ellwood Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 625 kB | Shaun Ewing | Nov 16, 1948 00:00 | US-2454045-A // Amplifier // Ellwood Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2453760.pdf | 433 kB | Shaun Ewing | Nov 16, 1948 00:00 |
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US-2453760-A // Cavity resonator // Schelleng John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Nov 16, 1948 00:00 | US-2453760-A // Cavity resonator // Schelleng John C. // Bell Telephone Labor Inc | ||||
| PDF File 2453759.pdf | 463 kB | Shaun Ewing | Nov 16, 1948 00:00 |
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US-2453759-A // Tapered union for concentric conductor lines // Robinson Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Nov 16, 1948 00:00 | US-2453759-A // Tapered union for concentric conductor lines // Robinson Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 2453749.pdf | 551 kB | Shaun Ewing | Nov 16, 1948 00:00 |
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US-2453749-A // Coil-winding machine // Jr. Harry A. Hilsinger, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 551 kB | Shaun Ewing | Nov 16, 1948 00:00 | US-2453749-A // Coil-winding machine // Jr. Harry A. Hilsinger, // Bell Telephone Labor Inc | ||||
| PDF File 2453743.pdf | 1011 kB | Shaun Ewing | Nov 16, 1948 00:00 |
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US-2453743-A // Signaling system and training device for target tracking // Cesarco Orfeo // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1011 kB | Shaun Ewing | Nov 16, 1948 00:00 | US-2453743-A // Signaling system and training device for target tracking // Cesarco Orfeo // Bell Telephone Labor Inc | ||||
| PDF File 2453716.pdf | 731 kB | Shaun Ewing | Nov 16, 1948 00:00 |
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US-2453716-A // High-frequency tank circuits // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 731 kB | Shaun Ewing | Nov 16, 1948 00:00 | US-2453716-A // High-frequency tank circuits // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 2453461.pdf | 1.21 MB | Shaun Ewing | Nov 09, 1948 00:00 |
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US-2453461-A // Code modulation communication system // Schelleng John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Nov 09, 1948 00:00 | US-2453461-A // Code modulation communication system // Schelleng John C. // Bell Telephone Labor Inc | ||||
| PDF File 2453454.pdf | 803 kB | Shaun Ewing | Nov 09, 1948 00:00 |
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US-2453454-A // Coder for code modulation transmission // Norwine Andrew C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 803 kB | Shaun Ewing | Nov 09, 1948 00:00 | US-2453454-A // Coder for code modulation transmission // Norwine Andrew C. // Bell Telephone Labor Inc | ||||
| PDF File 2453435.pdf | 2.16 MB | Shaun Ewing | Nov 09, 1948 00:00 |
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US-2453435-A // Piezoelectric crystal apparatus // Havstad Harald // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.16 MB | Shaun Ewing | Nov 09, 1948 00:00 | US-2453435-A // Piezoelectric crystal apparatus // Havstad Harald // Bell Telephone Labor Inc | ||||
| PDF File 2453313.pdf | 537 kB | Shaun Ewing | Nov 09, 1948 00:00 |
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US-2453313-A // Method of manufacturing communication cables // Gordon Chester S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Nov 09, 1948 00:00 | US-2453313-A // Method of manufacturing communication cables // Gordon Chester S. // Bell Telephone Labor Inc | ||||
| PDF File 2453263.pdf | 1.09 MB | Shaun Ewing | Nov 09, 1948 00:00 |
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US-2453263-A // Voltage regulation // Potter James A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Nov 09, 1948 00:00 | US-2453263-A // Voltage regulation // Potter James A. // Bell Telephone Labor Inc | ||||
| PDF File 2453243.pdf | 1.04 MB | Shaun Ewing | Nov 09, 1948 00:00 |
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US-2453243-A // Frequency modulating and harmonic producer apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Nov 09, 1948 00:00 | US-2453243-A // Frequency modulating and harmonic producer apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2453192.pdf | 279 kB | Shaun Ewing | Nov 09, 1948 00:00 |
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US-2453192-A // Moisture impervious vent // Bryant Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 279 kB | Shaun Ewing | Nov 09, 1948 00:00 | US-2453192-A // Moisture impervious vent // Bryant Herbert W. // Bell Telephone Labor Inc | ||||
| PDF File 2452683.pdf | 804 kB | Shaun Ewing | Nov 02, 1948 00:00 |
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US-2452683-A // Sweep circuit // Rieke John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 804 kB | Shaun Ewing | Nov 02, 1948 00:00 | US-2452683-A // Sweep circuit // Rieke John W. // Bell Telephone Labor Inc | ||||
| PDF File 2452664.pdf | 1.96 MB | Shaun Ewing | Nov 02, 1948 00:00 |
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US-2452664-A // Interpolating potential divider and computer // Jr. Walter Koenig, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.96 MB | Shaun Ewing | Nov 02, 1948 00:00 | US-2452664-A // Interpolating potential divider and computer // Jr. Walter Koenig, // Bell Telephone Labor Inc | ||||
| PDF File 2452655.pdf | 620 kB | Shaun Ewing | Nov 02, 1948 00:00 |
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US-2452655-A // Cathode-ray oscilloscope circuit // Hecht George ; Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 620 kB | Shaun Ewing | Nov 02, 1948 00:00 | US-2452655-A // Cathode-ray oscilloscope circuit // Hecht George ; Meacham Larned A. // Bell Telephone Labor Inc |
