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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2428007.pdf | 795 kB | Shaun Ewing | Sept 30, 1947 00:00 |
|
US-2428007-A // Telephone call-indicating facilities // Boardman Edward M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 795 kB | Shaun Ewing | Sept 30, 1947 00:00 | US-2428007-A // Telephone call-indicating facilities // Boardman Edward M. // Bell Telephone Labor Inc | ||||
| PDF File 2428058.pdf | 758 kB | Shaun Ewing | Sept 30, 1947 00:00 |
|
US-2428058-A // Object locating and distance measuring systems of the pulse reflection type // Wise Raymond O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 758 kB | Shaun Ewing | Sept 30, 1947 00:00 | US-2428058-A // Object locating and distance measuring systems of the pulse reflection type // Wise Raymond O. // Bell Telephone Labor Inc | ||||
| PDF File 2428363.pdf | 849 kB | Shaun Ewing | Oct 07, 1947 00:00 |
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US-2428363-A // Negative feed-back amplifier // Elmendorf Charles H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 849 kB | Shaun Ewing | Oct 07, 1947 00:00 | US-2428363-A // Negative feed-back amplifier // Elmendorf Charles H. // Bell Telephone Labor Inc | ||||
| PDF File 2428366.pdf | 698 kB | Shaun Ewing | Oct 07, 1947 00:00 |
|
US-2428366-A // Pulse multiplex system // Gilman George W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 698 kB | Shaun Ewing | Oct 07, 1947 00:00 | US-2428366-A // Pulse multiplex system // Gilman George W. // Bell Telephone Labor Inc | ||||
| PDF File 2428376.pdf | 2.83 MB | Shaun Ewing | Oct 07, 1947 00:00 |
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US-2428376-A // Time controlled register for automatic telephone systems // Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.83 MB | Shaun Ewing | Oct 07, 1947 00:00 | US-2428376-A // Time controlled register for automatic telephone systems // Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 2428389.pdf | 774 kB | Shaun Ewing | Oct 07, 1947 00:00 |
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US-2428389-A // Data transmission system // Singer Fred J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 774 kB | Shaun Ewing | Oct 07, 1947 00:00 | US-2428389-A // Data transmission system // Singer Fred J. // Bell Telephone Labor Inc | ||||
| PDF File 2428767.pdf | 974 kB | Shaun Ewing | Oct 14, 1947 00:00 |
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US-2428767-A // Electric motor control circuits // Albert Walter P. ; Davis Richard C. ; Gumley Robert H. ; Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 974 kB | Shaun Ewing | Oct 14, 1947 00:00 | US-2428767-A // Electric motor control circuits // Albert Walter P. ; Davis Richard C. ; Gumley Robert H. ; Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2428770.pdf | 1.24 MB | Shaun Ewing | Oct 14, 1947 00:00 |
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US-2428770-A // Automatic dead-reckoning device // Albert Walter P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Oct 14, 1947 00:00 | US-2428770-A // Automatic dead-reckoning device // Albert Walter P. // Bell Telephone Labor Inc | ||||
| PDF File 2428779.pdf | 233 kB | Shaun Ewing | Oct 14, 1947 00:00 |
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US-2428779-A // Ultra high frequency electronic device // Bowen Arnold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 233 kB | Shaun Ewing | Oct 14, 1947 00:00 | US-2428779-A // Ultra high frequency electronic device // Bowen Arnold E. // Bell Telephone Labor Inc | ||||
| PDF File 2428780.pdf | 293 kB | Shaun Ewing | Oct 14, 1947 00:00 |
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US-2428780-A // Ultra high frequency electronic device // Bowen Arnold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 293 kB | Shaun Ewing | Oct 14, 1947 00:00 | US-2428780-A // Ultra high frequency electronic device // Bowen Arnold E. // Bell Telephone Labor Inc | ||||
| PDF File 2428800.pdf | 744 kB | Shaun Ewing | Oct 14, 1947 00:00 |
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US-2428800-A // Telemetric summation system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Oct 14, 1947 00:00 | US-2428800-A // Telemetric summation system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2428819.pdf | 468 kB | Shaun Ewing | Oct 14, 1947 00:00 |
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US-2428819-A // Secondary electron emission type of pulse generator // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 468 kB | Shaun Ewing | Oct 14, 1947 00:00 | US-2428819-A // Secondary electron emission type of pulse generator // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2429216.pdf | 338 kB | Shaun Ewing | Oct 21, 1947 00:00 |
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US-2429216-A // Electrical phase indicating apparatus // Bollman John H. ; Jr. John G. Kreer, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 338 kB | Shaun Ewing | Oct 21, 1947 00:00 | US-2429216-A // Electrical phase indicating apparatus // Bollman John H. ; Jr. John G. Kreer, // Bell Telephone Labor Inc | ||||
| PDF File 2429222.pdf | 623 kB | Shaun Ewing | Oct 21, 1947 00:00 |
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US-2429222-A // Method of making contact wires // Ehrhardt Robert A. ; Humphrey Robert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 623 kB | Shaun Ewing | Oct 21, 1947 00:00 | US-2429222-A // Method of making contact wires // Ehrhardt Robert A. ; Humphrey Robert G. // Bell Telephone Labor Inc | ||||
| PDF File 2429229.pdf | 1.06 MB | Shaun Ewing | Oct 21, 1947 00:00 |
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US-2429229-A // Analysis and representation of complex waves // Jr. Walter Koenig, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Oct 21, 1947 00:00 | US-2429229-A // Analysis and representation of complex waves // Jr. Walter Koenig, // Bell Telephone Labor Inc | ||||
| PDF File 2429236.pdf | 992 kB | Shaun Ewing | Oct 21, 1947 00:00 |
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US-2429236-A // Analysis and representation of complex waves // Potter Ralph K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 992 kB | Shaun Ewing | Oct 21, 1947 00:00 | US-2429236-A // Analysis and representation of complex waves // Potter Ralph K. // Bell Telephone Labor Inc | ||||
| PDF File 2429601.pdf | 728 kB | Shaun Ewing | Oct 28, 1947 00:00 |
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US-2429601-A // Microwave radar directive antenna // Biskeborn Merle C. ; Fox Arthur G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 728 kB | Shaun Ewing | Oct 28, 1947 00:00 | US-2429601-A // Microwave radar directive antenna // Biskeborn Merle C. ; Fox Arthur G. // Bell Telephone Labor Inc | ||||
| PDF File 2429639.pdf | 362 kB | Shaun Ewing | Oct 28, 1947 00:00 |
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US-2429639-A // Wave filter // Mcskimin Herbert J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 362 kB | Shaun Ewing | Oct 28, 1947 00:00 | US-2429639-A // Wave filter // Mcskimin Herbert J. // Bell Telephone Labor Inc | ||||
| PDF File 2429651.pdf | 714 kB | Shaun Ewing | Oct 28, 1947 00:00 |
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US-2429651-A // Control system for two-phase induction motors // Tarr James E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 714 kB | Shaun Ewing | Oct 28, 1947 00:00 | US-2429651-A // Control system for two-phase induction motors // Tarr James E. // Bell Telephone Labor Inc | ||||
| PDF File 2429988.pdf | 425 kB | Shaun Ewing | Nov 04, 1947 00:00 |
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US-2429988-A // Temperature compensated microphone // Bryant Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Nov 04, 1947 00:00 | US-2429988-A // Temperature compensated microphone // Bryant Herbert W. // Bell Telephone Labor Inc |
