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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2700148.pdf | 3.26 MB | Shaun Ewing | Jan 18, 1955 00:00 |
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US-2700148-A // Magnetic drum dial pulse recording and storage register // Mcguigan John H. ; Murphy Orlando J. ; Newby Neal D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.26 MB | Shaun Ewing | Jan 18, 1955 00:00 | US-2700148-A // Magnetic drum dial pulse recording and storage register // Mcguigan John H. ; Murphy Orlando J. ; Newby Neal D. // Bell Telephone Labor Inc | ||||
| PDF File 2700146.pdf | 1.10 MB | Shaun Ewing | Jan 18, 1955 00:00 |
|
US-2700146-A // Pulse counting and registering system // Bachelet Albert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Jan 18, 1955 00:00 | US-2700146-A // Pulse counting and registering system // Bachelet Albert E. // Bell Telephone Labor Inc | ||||
| PDF File 2700133.pdf | 2.17 MB | Shaun Ewing | Jan 18, 1955 00:00 |
|
US-2700133-A // Measurement of relative delay of wave envelopes // Pfleger Kenneth W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.17 MB | Shaun Ewing | Jan 18, 1955 00:00 | US-2700133-A // Measurement of relative delay of wave envelopes // Pfleger Kenneth W. // Bell Telephone Labor Inc | ||||
| PDF File 2699529.pdf | 1.15 MB | Shaun Ewing | Jan 11, 1955 00:00 |
|
US-2699529-A // Electronic timer // Wenk Howard A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Jan 11, 1955 00:00 | US-2699529-A // Electronic timer // Wenk Howard A. // Bell Telephone Labor Inc | ||||
| PDF File 2699133.pdf | 772 kB | Shaun Ewing | Jan 11, 1955 00:00 |
|
US-2699133-A // Electrical element mounting jig // Ames George W. ; Herrington Harold W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 772 kB | Shaun Ewing | Jan 11, 1955 00:00 | US-2699133-A // Electrical element mounting jig // Ames George W. ; Herrington Harold W. // Bell Telephone Labor Inc | ||||
| PDF File 2698923.pdf | 828 kB | Shaun Ewing | Jan 04, 1955 00:00 |
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US-2698923-A // Electromagnetic cavity resonator // Edson William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 828 kB | Shaun Ewing | Jan 04, 1955 00:00 | US-2698923-A // Electromagnetic cavity resonator // Edson William A. // Bell Telephone Labor Inc | ||||
| PDF File 2698922.pdf | 892 kB | Shaun Ewing | Jan 04, 1955 00:00 |
|
US-2698922-A // Single-sided push-pull amplifier // Reise Herman A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 892 kB | Shaun Ewing | Jan 04, 1955 00:00 | US-2698922-A // Single-sided push-pull amplifier // Reise Herman A. // Bell Telephone Labor Inc | ||||
| PDF File 2698780.pdf | 299 kB | Shaun Ewing | Jan 04, 1955 00:00 |
|
US-2698780-A // Method of treating germanium for translating devices // Logan Ralph A. ; Sparks Morgan // Bell Telephone Labor Inc | |||
| Version 1 (current) | 299 kB | Shaun Ewing | Jan 04, 1955 00:00 | US-2698780-A // Method of treating germanium for translating devices // Logan Ralph A. ; Sparks Morgan // Bell Telephone Labor Inc | ||||
| PDF File 2698419.pdf | 418 kB | Shaun Ewing | Dec 28, 1954 00:00 |
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US-2698419-A // Detector of reverse recovery effect in asymmetrically conductive devices // Blair Royer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 418 kB | Shaun Ewing | Dec 28, 1954 00:00 | US-2698419-A // Detector of reverse recovery effect in asymmetrically conductive devices // Blair Royer R. // Bell Telephone Labor Inc | ||||
| PDF File 2698414.pdf | 412 kB | Shaun Ewing | Dec 28, 1954 00:00 |
|
US-2698414-A // Current supply apparatus // Meszaros George W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 412 kB | Shaun Ewing | Dec 28, 1954 00:00 | US-2698414-A // Current supply apparatus // Meszaros George W. // Bell Telephone Labor Inc | ||||
| PDF File 2697792.pdf | 370 kB | Shaun Ewing | Dec 21, 1954 00:00 |
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US-2697792-A // Howler tone circuit involving a motor-driven interrupter // Mills John K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 370 kB | Shaun Ewing | Dec 21, 1954 00:00 | US-2697792-A // Howler tone circuit involving a motor-driven interrupter // Mills John K. // Bell Telephone Labor Inc | ||||
| PDF File 2697749.pdf | 1.63 MB | Shaun Ewing | Dec 21, 1954 00:00 |
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US-2697749-A // Multifrequency telephone switching system // Jeanne Armand L. ; Keller Arthur C. ; White Samuel D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | Dec 21, 1954 00:00 | US-2697749-A // Multifrequency telephone switching system // Jeanne Armand L. ; Keller Arthur C. ; White Samuel D. // Bell Telephone Labor Inc | ||||
| PDF File 2697748.pdf | 15.27 MB | Shaun Ewing | Dec 21, 1954 00:00 |
|
US-2697748-A // Automatic ticketing telephone system // Gooderham John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 15.27 MB | Shaun Ewing | Dec 21, 1954 00:00 | US-2697748-A // Automatic ticketing telephone system // Gooderham John W. // Bell Telephone Labor Inc | ||||
| PDF File 2697269.pdf | 960 kB | Shaun Ewing | Dec 21, 1954 00:00 |
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US-2697269-A // Method of making semiconductor translating devices // Fuller Calvin S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 960 kB | Shaun Ewing | Dec 21, 1954 00:00 | US-2697269-A // Method of making semiconductor translating devices // Fuller Calvin S. // Bell Telephone Labor Inc | ||||
| PDF File 2697208.pdf | 1.02 MB | Shaun Ewing | Dec 14, 1954 00:00 |
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US-2697208-A // Reflectionless wave guide termination // Houghton Edward W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Dec 14, 1954 00:00 | US-2697208-A // Reflectionless wave guide termination // Houghton Edward W. // Bell Telephone Labor Inc | ||||
| PDF File 2697157.pdf | 465 kB | Shaun Ewing | Dec 14, 1954 00:00 |
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US-2697157-A // Elastic conductor // Kersta Lawrence G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Dec 14, 1954 00:00 | US-2697157-A // Elastic conductor // Kersta Lawrence G. // Bell Telephone Labor Inc | ||||
| PDF File 2697140.pdf | 1.60 MB | Shaun Ewing | Dec 14, 1954 00:00 |
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US-2697140-A // Electronic testing system // Cornell Warren A. ; Hall Nathan I. ; Powell Harold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Dec 14, 1954 00:00 | US-2697140-A // Electronic testing system // Cornell Warren A. ; Hall Nathan I. ; Powell Harold E. // Bell Telephone Labor Inc | ||||
| PDF File 2697136.pdf | 1.23 MB | Shaun Ewing | Dec 14, 1954 00:00 |
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US-2697136-A // Microphone and microphone granules // Baker William O. ; Grisdale Richard O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Dec 14, 1954 00:00 | US-2697136-A // Microphone and microphone granules // Baker William O. ; Grisdale Richard O. // Bell Telephone Labor Inc | ||||
| PDF File 2697052.pdf | 493 kB | Shaun Ewing | Dec 14, 1954 00:00 |
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US-2697052-A // Fabricating of semiconductor translating devices // Dacey George C. ; Foy Philip W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Dec 14, 1954 00:00 | US-2697052-A // Fabricating of semiconductor translating devices // Dacey George C. ; Foy Philip W. // Bell Telephone Labor Inc | ||||
| PDF File 2697047.pdf | 539 kB | Shaun Ewing | Dec 14, 1954 00:00 |
|
US-2697047-A // Method of providing a spot of silver on a piezoelectric crystal // Ziegler Arthur W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 539 kB | Shaun Ewing | Dec 14, 1954 00:00 | US-2697047-A // Method of providing a spot of silver on a piezoelectric crystal // Ziegler Arthur W. // Bell Telephone Labor Inc |
