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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2430028.pdf | 436 kB | Shaun Ewing | Nov 04, 1947 00:00 |
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US-2430028-A // Translating device and method of making it // Pfann William G. ; Scaff Jack H. ; White Addison H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 436 kB | Shaun Ewing | Nov 04, 1947 00:00 | US-2430028-A // Translating device and method of making it // Pfann William G. ; Scaff Jack H. ; White Addison H. // Bell Telephone Labor Inc | ||||
| PDF File 2430038.pdf | 763 kB | Shaun Ewing | Nov 04, 1947 00:00 |
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US-2430038-A // Cathode-ray device for improving signal-to-noise ratio in radar systems // Wertz Hugh S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 763 kB | Shaun Ewing | Nov 04, 1947 00:00 | US-2430038-A // Cathode-ray device for improving signal-to-noise ratio in radar systems // Wertz Hugh S. // Bell Telephone Labor Inc | ||||
| PDF File 2430445.pdf | 270 kB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430445-A // Air pressure seal // Aamodt Thoralf ; Jr. Harry A. Hilsinger, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 270 kB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430445-A // Air pressure seal // Aamodt Thoralf ; Jr. Harry A. Hilsinger, // Bell Telephone Labor Inc | ||||
| PDF File 2430447.pdf | 20.56 MB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430447-A // Printing telegraph automatic switching system // Branson David E. ; Kinkead Rita S. ; Krecek Joseph A. ; Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 20.56 MB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430447-A // Printing telegraph automatic switching system // Branson David E. ; Kinkead Rita S. ; Krecek Joseph A. ; Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 2430451.pdf | 230 kB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430451-A // Method of installing aerial line wires // Carr James A. ; Fox Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 230 kB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430451-A // Method of installing aerial line wires // Carr James A. ; Fox Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2430457.pdf | 537 kB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430457-A // Key control sender // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430457-A // Key control sender // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2430464.pdf | 554 kB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430464-A // Magnetic materials // Gould Harold L. B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 554 kB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430464-A // Magnetic materials // Gould Harold L. B. // Bell Telephone Labor Inc | ||||
| PDF File 2430468.pdf | 328 kB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430468-A // Electroplating silver on aluminum and its alloys // Julich Edward M. ; Mehmel William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 328 kB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430468-A // Electroplating silver on aluminum and its alloys // Julich Edward M. ; Mehmel William A. // Bell Telephone Labor Inc | ||||
| PDF File 2430471.pdf | 431 kB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430471-A // Carrier current signaling system // Lang Albert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 431 kB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430471-A // Carrier current signaling system // Lang Albert G. // Bell Telephone Labor Inc | ||||
| PDF File 2430488.pdf | 995 kB | Shaun Ewing | Nov 11, 1947 00:00 |
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US-2430488-A // Adjustable compensated standard // Wilhelm Henry T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 995 kB | Shaun Ewing | Nov 11, 1947 00:00 | US-2430488-A // Adjustable compensated standard // Wilhelm Henry T. // Bell Telephone Labor Inc | ||||
| PDF File 2431692.pdf | 590 kB | Shaun Ewing | Dec 02, 1947 00:00 |
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US-2431692-A // Alternate route telephone switching mechanism // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 590 kB | Shaun Ewing | Dec 02, 1947 00:00 | US-2431692-A // Alternate route telephone switching mechanism // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2431696.pdf | 974 kB | Shaun Ewing | Dec 02, 1947 00:00 |
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US-2431696-A // Relay desing calculator // Keister William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 974 kB | Shaun Ewing | Dec 02, 1947 00:00 | US-2431696-A // Relay desing calculator // Keister William // Bell Telephone Labor Inc | ||||
| PDF File 2432083.pdf | 336 kB | Shaun Ewing | Dec 09, 1947 00:00 |
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US-2432083-A // Hydrophone // Jr. Robert Black, ; Romanow Frank F. ; Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 336 kB | Shaun Ewing | Dec 09, 1947 00:00 | US-2432083-A // Hydrophone // Jr. Robert Black, ; Romanow Frank F. ; Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2432084.pdf | 633 kB | Shaun Ewing | Dec 09, 1947 00:00 |
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US-2432084-A // Electrooptical control system // Blair Royer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 633 kB | Shaun Ewing | Dec 09, 1947 00:00 | US-2432084-A // Electrooptical control system // Blair Royer R. // Bell Telephone Labor Inc | ||||
| PDF File 2432092.pdf | 1010 kB | Shaun Ewing | Dec 09, 1947 00:00 |
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US-2432092-A // Relay testing device // Ferrell Enoch B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1010 kB | Shaun Ewing | Dec 09, 1947 00:00 | US-2432092-A // Relay testing device // Ferrell Enoch B. // Bell Telephone Labor Inc | ||||
| PDF File 2432093.pdf | 1.01 MB | Shaun Ewing | Dec 09, 1947 00:00 |
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US-2432093-A // Wave transmission network // Fox Arthur Gardner // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Dec 09, 1947 00:00 | US-2432093-A // Wave transmission network // Fox Arthur Gardner // Bell Telephone Labor Inc | ||||
| PDF File 2432097.pdf | 408 kB | Shaun Ewing | Dec 09, 1947 00:00 |
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US-2432097-A // Ultra high frequency detector // Jr. William H. Hewitt, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 408 kB | Shaun Ewing | Dec 09, 1947 00:00 | US-2432097-A // Ultra high frequency detector // Jr. William H. Hewitt, // Bell Telephone Labor Inc | ||||
| PDF File 2432116.pdf | 409 kB | Shaun Ewing | Dec 09, 1947 00:00 |
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US-2432116-A // Crystal detector mounting // Mclean David A. ; Theuerer Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 409 kB | Shaun Ewing | Dec 09, 1947 00:00 | US-2432116-A // Crystal detector mounting // Mclean David A. ; Theuerer Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2432117.pdf | 602 kB | Shaun Ewing | Dec 09, 1947 00:00 |
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US-2432117-A // Alternating current generator // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 602 kB | Shaun Ewing | Dec 09, 1947 00:00 | US-2432117-A // Alternating current generator // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2432120.pdf | 559 kB | Shaun Ewing | Dec 09, 1947 00:00 |
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US-2432120-A // Electrical connector // Neill Paul // Bell Telephone Labor Inc | |||
| Version 1 (current) | 559 kB | Shaun Ewing | Dec 09, 1947 00:00 | US-2432120-A // Electrical connector // Neill Paul // Bell Telephone Labor Inc |
