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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2595944.pdf | 6.51 MB | Shaun Ewing | May 06, 1952 00:00 |
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US-2595944-A // Reverting call circuits // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.51 MB | Shaun Ewing | May 06, 1952 00:00 | US-2595944-A // Reverting call circuits // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2569478.pdf | 6.44 MB | Shaun Ewing | Oct 02, 1951 00:00 |
|
US-2569478-A // Telegraph storage system // Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.44 MB | Shaun Ewing | Oct 02, 1951 00:00 | US-2569478-A // Telegraph storage system // Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 2564441.pdf | 6.29 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564441-A // Telephone system requiring different types of pulses // Mckim Burton ; Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.29 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564441-A // Telephone system requiring different types of pulses // Mckim Burton ; Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2672515.pdf | 6.16 MB | Shaun Ewing | Mar 16, 1954 00:00 |
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US-2672515-A // Calling station identification circuit // Barlow Dick S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.16 MB | Shaun Ewing | Mar 16, 1954 00:00 | US-2672515-A // Calling station identification circuit // Barlow Dick S. // Bell Telephone Labor Inc | ||||
| PDF File 2635139.pdf | 6.02 MB | Shaun Ewing | Apr 14, 1953 00:00 |
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US-2635139-A // Teletypewriter switching system // Branson David E. ; Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.02 MB | Shaun Ewing | Apr 14, 1953 00:00 | US-2635139-A // Teletypewriter switching system // Branson David E. ; Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 2666579.pdf | 6.00 MB | Shaun Ewing | Jan 19, 1954 00:00 |
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US-2666579-A // Automatic calculator // Stibitz George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.00 MB | Shaun Ewing | Jan 19, 1954 00:00 | US-2666579-A // Automatic calculator // Stibitz George R. // Bell Telephone Labor Inc | ||||
| PDF File 2719886.pdf | 5.85 MB | Shaun Ewing | Oct 04, 1955 00:00 |
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US-2719886-A // Intertoll trunk testing system // Shoffstall Hugh F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.85 MB | Shaun Ewing | Oct 04, 1955 00:00 | US-2719886-A // Intertoll trunk testing system // Shoffstall Hugh F. // Bell Telephone Labor Inc | ||||
| PDF File 2690548.pdf | 5.83 MB | Shaun Ewing | Sept 28, 1954 00:00 |
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US-2690548-A // Automatic switching system for radio broadcasting networks // Jr. Amos E. Joel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.83 MB | Shaun Ewing | Sept 28, 1954 00:00 | US-2690548-A // Automatic switching system for radio broadcasting networks // Jr. Amos E. Joel, // Bell Telephone Labor Inc | ||||
| PDF File 2669386.pdf | 5.46 MB | Shaun Ewing | Feb 16, 1954 00:00 |
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US-2669386-A // Gun data computer having spot correction means // Boghosian William H. ; Och Henry G. ; Weber Bruce T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.46 MB | Shaun Ewing | Feb 16, 1954 00:00 | US-2669386-A // Gun data computer having spot correction means // Boghosian William H. ; Och Henry G. ; Weber Bruce T. // Bell Telephone Labor Inc | ||||
| PDF File 2607843.pdf | 5.46 MB | Shaun Ewing | Aug 19, 1952 00:00 |
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US-2607843-A // Remote control and supervisory system // Hearn Richard B. ; Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.46 MB | Shaun Ewing | Aug 19, 1952 00:00 | US-2607843-A // Remote control and supervisory system // Hearn Richard B. ; Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 2692082.pdf | 5.42 MB | Shaun Ewing | Oct 19, 1954 00:00 |
|
US-2692082-A // Automatic calculator // Cesareo Orfeo ; Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.42 MB | Shaun Ewing | Oct 19, 1954 00:00 | US-2692082-A // Automatic calculator // Cesareo Orfeo ; Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2636947.pdf | 5.40 MB | Shaun Ewing | Apr 28, 1953 00:00 |
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US-2636947-A // Two-way trunk for pulse conversion systems // Michael Henry J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.40 MB | Shaun Ewing | Apr 28, 1953 00:00 | US-2636947-A // Two-way trunk for pulse conversion systems // Michael Henry J. // Bell Telephone Labor Inc | ||||
| PDF File 2669500.pdf | 5.35 MB | Shaun Ewing | Feb 16, 1954 00:00 |
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US-2669500-A // Plotting board // Och Henry G. ; Parkinson David B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.35 MB | Shaun Ewing | Feb 16, 1954 00:00 | US-2669500-A // Plotting board // Och Henry G. ; Parkinson David B. // Bell Telephone Labor Inc | ||||
| PDF File 2615628.pdf | 5.32 MB | Shaun Ewing | Oct 28, 1952 00:00 |
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US-2615628-A // Automatic accounting device // Hague Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.32 MB | Shaun Ewing | Oct 28, 1952 00:00 | US-2615628-A // Automatic accounting device // Hague Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2686636.pdf | 5.08 MB | Shaun Ewing | Aug 17, 1954 00:00 |
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US-2686636-A // Curved course predictor // Lakatos Emory ; Och Henry G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.08 MB | Shaun Ewing | Aug 17, 1954 00:00 | US-2686636-A // Curved course predictor // Lakatos Emory ; Och Henry G. // Bell Telephone Labor Inc | ||||
| PDF File 2564429.pdf | 5.05 MB | Shaun Ewing | Aug 14, 1951 00:00 |
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US-2564429-A // Ground trainer for aircraft personnel // Germanton Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.05 MB | Shaun Ewing | Aug 14, 1951 00:00 | US-2564429-A // Ground trainer for aircraft personnel // Germanton Charles E. // Bell Telephone Labor Inc | ||||
| PDF File 2668931.pdf | 4.90 MB | Shaun Ewing | Feb 09, 1954 00:00 |
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US-2668931-A // Electronic register for telephone switching systems // Hall Nathan I. ; Hecht George ; Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.90 MB | Shaun Ewing | Feb 09, 1954 00:00 | US-2668931-A // Electronic register for telephone switching systems // Hall Nathan I. ; Hecht George ; Koechling Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2615971.pdf | 4.90 MB | Shaun Ewing | Oct 28, 1952 00:00 |
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US-2615971-A // Pulse position dial receiver employing pulse superposition for identifying digits // Malthaner William A. ; Newby Neal D. ; Vaughan Henry E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.90 MB | Shaun Ewing | Oct 28, 1952 00:00 | US-2615971-A // Pulse position dial receiver employing pulse superposition for identifying digits // Malthaner William A. ; Newby Neal D. ; Vaughan Henry E. // Bell Telephone Labor Inc | ||||
| PDF File 2676209.pdf | 4.84 MB | Shaun Ewing | Apr 20, 1954 00:00 |
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US-2676209-A // Coin-controlled telephone system in which tariff rates for telephone calls are audibly transmitted automatically to a calling subscriber // Jr. Amos E. Joel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.84 MB | Shaun Ewing | Apr 20, 1954 00:00 | US-2676209-A // Coin-controlled telephone system in which tariff rates for telephone calls are audibly transmitted automatically to a calling subscriber // Jr. Amos E. Joel, // Bell Telephone Labor Inc | ||||
| PDF File 2616974.pdf | 4.84 MB | Shaun Ewing | Nov 04, 1952 00:00 |
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US-2616974-A // Register control of coin return // Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.84 MB | Shaun Ewing | Nov 04, 1952 00:00 | US-2616974-A // Register control of coin return // Dehn Joseph W. // Bell Telephone Labor Inc |
