Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2582959.pdf | 4.79 MB | Shaun Ewing | Jan 22, 1952 00:00 |
|
US-2582959-A // Electron-tube controlled switching system // Bruce Edmond ; Hall Nathan I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.79 MB | Shaun Ewing | Jan 22, 1952 00:00 | US-2582959-A // Electron-tube controlled switching system // Bruce Edmond ; Hall Nathan I. // Bell Telephone Labor Inc | ||||
| PDF File 2630270.pdf | 4.75 MB | Shaun Ewing | Mar 03, 1953 00:00 |
|
US-2630270-A // Automatic accounting device // Jr. Amos E. Joel, ; Rippere Robert O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.75 MB | Shaun Ewing | Mar 03, 1953 00:00 | US-2630270-A // Automatic accounting device // Jr. Amos E. Joel, ; Rippere Robert O. // Bell Telephone Labor Inc | ||||
| PDF File 2614176.pdf | 4.74 MB | Shaun Ewing | Oct 14, 1952 00:00 |
|
US-2614176-A // Electronic induction number group translator // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.74 MB | Shaun Ewing | Oct 14, 1952 00:00 | US-2614176-A // Electronic induction number group translator // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2680781.pdf | 4.72 MB | Shaun Ewing | Jun 08, 1954 00:00 |
|
US-2680781-A // Translating arrangement // Avery Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.72 MB | Shaun Ewing | Jun 08, 1954 00:00 | US-2680781-A // Translating arrangement // Avery Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2671611.pdf | 4.60 MB | Shaun Ewing | Mar 09, 1954 00:00 |
|
US-2671611-A // Control circuit for calculating machines // Vibbard Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.60 MB | Shaun Ewing | Mar 09, 1954 00:00 | US-2671611-A // Control circuit for calculating machines // Vibbard Edward L. // Bell Telephone Labor Inc | ||||
| PDF File 2720557.pdf | 4.59 MB | Shaun Ewing | Oct 11, 1955 00:00 |
|
US-2720557-A // Time division pulse code modulation system employing continuous coding tube // Goodall William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.59 MB | Shaun Ewing | Oct 11, 1955 00:00 | US-2720557-A // Time division pulse code modulation system employing continuous coding tube // Goodall William M. // Bell Telephone Labor Inc | ||||
| PDF File 2587817.pdf | 4.57 MB | Shaun Ewing | Mar 04, 1952 00:00 |
|
US-2587817-A // Telephone system // Busch Aloysius J. ; Michael Henry J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.57 MB | Shaun Ewing | Mar 04, 1952 00:00 | US-2587817-A // Telephone system // Busch Aloysius J. ; Michael Henry J. // Bell Telephone Labor Inc | ||||
| PDF File 2714626.pdf | 4.50 MB | Shaun Ewing | Aug 02, 1955 00:00 |
|
US-2714626-A // Private line intercommunicating teletypewriter system // Locke George A. ; Melhuish Lawrence E. ; Jr. Bernard Ostendorf, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.50 MB | Shaun Ewing | Aug 02, 1955 00:00 | US-2714626-A // Private line intercommunicating teletypewriter system // Locke George A. ; Melhuish Lawrence E. ; Jr. Bernard Ostendorf, // Bell Telephone Labor Inc | ||||
| PDF File 2546835.pdf | 4.46 MB | Shaun Ewing | Mar 27, 1951 00:00 |
|
US-2546835-A // Code recording control circuit // Rippere Robert O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.46 MB | Shaun Ewing | Mar 27, 1951 00:00 | US-2546835-A // Code recording control circuit // Rippere Robert O. // Bell Telephone Labor Inc | ||||
| PDF File 2538636.pdf | 4.41 MB | Shaun Ewing | Jan 16, 1951 00:00 |
|
US-2538636-A // Digital computer // Williams Samuel B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.41 MB | Shaun Ewing | Jan 16, 1951 00:00 | US-2538636-A // Digital computer // Williams Samuel B. // Bell Telephone Labor Inc | ||||
| PDF File 2686843.pdf | 4.40 MB | Shaun Ewing | Aug 17, 1954 00:00 |
|
US-2686843-A // Call distributing service desk // Jr. William L. Shafer, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.40 MB | Shaun Ewing | Aug 17, 1954 00:00 | US-2686843-A // Call distributing service desk // Jr. William L. Shafer, // Bell Telephone Labor Inc | ||||
| PDF File 2710720.pdf | 4.33 MB | Shaun Ewing | Jun 14, 1955 00:00 |
|
US-2710720-A // Artillery computer // Blackman Ralph B. ; Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.33 MB | Shaun Ewing | Jun 14, 1955 00:00 | US-2710720-A // Artillery computer // Blackman Ralph B. ; Bode Hendrik W. // Bell Telephone Labor Inc | ||||
| PDF File 2577614.pdf | 4.27 MB | Shaun Ewing | Dec 04, 1951 00:00 |
|
US-2577614-A // Voice-frequency signaling system // Fritschi Walter W. ; Lucek Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.27 MB | Shaun Ewing | Dec 04, 1951 00:00 | US-2577614-A // Voice-frequency signaling system // Fritschi Walter W. ; Lucek Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2635807.pdf | 4.18 MB | Shaun Ewing | Apr 21, 1953 00:00 |
|
US-2635807-A // Automatic accounting device // Flint Erlon W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.18 MB | Shaun Ewing | Apr 21, 1953 00:00 | US-2635807-A // Automatic accounting device // Flint Erlon W. // Bell Telephone Labor Inc | ||||
| PDF File 2675426.pdf | 4.16 MB | Shaun Ewing | Apr 13, 1954 00:00 |
|
US-2675426-A // Electronic induction number group translator // Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.16 MB | Shaun Ewing | Apr 13, 1954 00:00 | US-2675426-A // Electronic induction number group translator // Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 2610295.pdf | 4.10 MB | Shaun Ewing | Sept 09, 1952 00:00 |
|
US-2610295-A // Pulse code modulation communication system // Carbrey Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.10 MB | Shaun Ewing | Sept 09, 1952 00:00 | US-2610295-A // Pulse code modulation communication system // Carbrey Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2667537.pdf | 4.01 MB | Shaun Ewing | Jan 26, 1954 00:00 |
|
US-2667537-A // Telegraph repeater // Mahoney Joseph A. ; Rea Wilton T. ; Sutliff Carleton B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.01 MB | Shaun Ewing | Jan 26, 1954 00:00 | US-2667537-A // Telegraph repeater // Mahoney Joseph A. ; Rea Wilton T. ; Sutliff Carleton B. // Bell Telephone Labor Inc | ||||
| PDF File 2658188.pdf | 3.95 MB | Shaun Ewing | Nov 03, 1953 00:00 |
|
US-2658188-A // Pulse position dialing system with direct time measuring apparatus // Malthaner William A. ; Newby Neal D. ; Vaughan Henry E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.95 MB | Shaun Ewing | Nov 03, 1953 00:00 | US-2658188-A // Pulse position dialing system with direct time measuring apparatus // Malthaner William A. ; Newby Neal D. ; Vaughan Henry E. // Bell Telephone Labor Inc | ||||
| PDF File 2588375.pdf | 3.77 MB | Shaun Ewing | Mar 11, 1952 00:00 |
|
US-2588375-A // Automatic accounting device // Flint Erlon W. ; Hague Alfred E. ; Jr. Amos E. Joel, ; Rippere Robert O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.77 MB | Shaun Ewing | Mar 11, 1952 00:00 | US-2588375-A // Automatic accounting device // Flint Erlon W. ; Hague Alfred E. ; Jr. Amos E. Joel, ; Rippere Robert O. // Bell Telephone Labor Inc | ||||
| PDF File 2633502.pdf | 3.70 MB | Shaun Ewing | Mar 31, 1953 00:00 |
|
US-2633502-A // Mechanical communication switchboard // Carpenter Warren W. ; Murphy Paul B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.70 MB | Shaun Ewing | Mar 31, 1953 00:00 | US-2633502-A // Mechanical communication switchboard // Carpenter Warren W. ; Murphy Paul B. // Bell Telephone Labor Inc |