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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2120419.pdf | 1.78 MB | Shaun Ewing | Jun 14, 1938 00:00 |
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US-2120419-A // Telephone system // Stokely Grace Macdonald // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.78 MB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120419-A // Telephone system // Stokely Grace Macdonald // Bell Telephone Labor Inc | ||||
| PDF File 2072434.pdf | 1.77 MB | Shaun Ewing | Mar 02, 1937 00:00 |
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US-2072434-A // Switching system // Spencer Thomas A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.77 MB | Shaun Ewing | Mar 02, 1937 00:00 | US-2072434-A // Switching system // Spencer Thomas A. // Bell Telephone Labor Inc | ||||
| PDF File 2058601.pdf | 1.77 MB | Shaun Ewing | Oct 27, 1936 00:00 |
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US-2058601-A // Teletypewriter system // Krecek Joseph A. ; Munro Charles C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.77 MB | Shaun Ewing | Oct 27, 1936 00:00 | US-2058601-A // Teletypewriter system // Krecek Joseph A. ; Munro Charles C. // Bell Telephone Labor Inc | ||||
| PDF File 2206663.pdf | 1.77 MB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206663-A // Telegraph system // Cramer Walter W. ; Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.77 MB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206663-A // Telegraph system // Cramer Walter W. ; Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2020297.pdf | 1.77 MB | Shaun Ewing | Nov 12, 1935 00:00 |
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US-2020297-A // Submarine cable transmission // Buckley Oliver E. ; Jacobs Oliver B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.77 MB | Shaun Ewing | Nov 12, 1935 00:00 | US-2020297-A // Submarine cable transmission // Buckley Oliver E. ; Jacobs Oliver B. // Bell Telephone Labor Inc | ||||
| PDF File 1823667.pdf | 1.77 MB | Shaun Ewing | Sept 15, 1931 00:00 |
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US-1823667-A // Trunking system // Powell Albert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.77 MB | Shaun Ewing | Sept 15, 1931 00:00 | US-1823667-A // Trunking system // Powell Albert C. // Bell Telephone Labor Inc | ||||
| PDF File 2098321.pdf | 1.76 MB | Shaun Ewing | Nov 09, 1937 00:00 |
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US-2098321-A // Distributing frame // Treptow Frederick W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.76 MB | Shaun Ewing | Nov 09, 1937 00:00 | US-2098321-A // Distributing frame // Treptow Frederick W. // Bell Telephone Labor Inc | ||||
| PDF File 1868309.pdf | 1.76 MB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868309-A // Telephone system // Carpenter Warren W. ; Dahl Jack F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.76 MB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868309-A // Telephone system // Carpenter Warren W. ; Dahl Jack F. // Bell Telephone Labor Inc | ||||
| PDF File 1830226.pdf | 1.75 MB | Shaun Ewing | Nov 03, 1931 00:00 |
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US-1830226-A // Transoceanic cable circuit // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.75 MB | Shaun Ewing | Nov 03, 1931 00:00 | US-1830226-A // Transoceanic cable circuit // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2041873.pdf | 1.75 MB | Shaun Ewing | May 26, 1936 00:00 |
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US-2041873-A // Switching system // Spencer Thomas A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.75 MB | Shaun Ewing | May 26, 1936 00:00 | US-2041873-A // Switching system // Spencer Thomas A. // Bell Telephone Labor Inc | ||||
| PDF File 2089338.pdf | 1.74 MB | Shaun Ewing | Aug 10, 1937 00:00 |
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US-2089338-A // Telephone system // Carpenter Warren W. ; Hague Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.74 MB | Shaun Ewing | Aug 10, 1937 00:00 | US-2089338-A // Telephone system // Carpenter Warren W. ; Hague Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2099115.pdf | 1.72 MB | Shaun Ewing | Nov 16, 1937 00:00 |
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US-2099115-A // Communication system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.72 MB | Shaun Ewing | Nov 16, 1937 00:00 | US-2099115-A // Communication system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2105898.pdf | 1.71 MB | Shaun Ewing | Jan 18, 1938 00:00 |
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US-2105898-A // Telephone exchange system // Whitney Wiley // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.71 MB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105898-A // Telephone exchange system // Whitney Wiley // Bell Telephone Labor Inc | ||||
| PDF File 2224569.pdf | 1.71 MB | Shaun Ewing | Dec 10, 1940 00:00 |
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US-2224569-A // Control of transmission in two-way signaling systems // Dickleson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.71 MB | Shaun Ewing | Dec 10, 1940 00:00 | US-2224569-A // Control of transmission in two-way signaling systems // Dickleson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 2027142.pdf | 1.71 MB | Shaun Ewing | Jan 07, 1936 00:00 |
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US-2027142-A // Telephone exchange system // Allison Sewell W. ; Mckim James B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.71 MB | Shaun Ewing | Jan 07, 1936 00:00 | US-2027142-A // Telephone exchange system // Allison Sewell W. ; Mckim James B. // Bell Telephone Labor Inc | ||||
| PDF File 1799627.pdf | 1.71 MB | Shaun Ewing | Apr 07, 1931 00:00 |
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US-1799627-A // Signal-interpolating system // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.71 MB | Shaun Ewing | Apr 07, 1931 00:00 | US-1799627-A // Signal-interpolating system // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 2093847.pdf | 1.71 MB | Shaun Ewing | Sept 21, 1937 00:00 |
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US-2093847-A // Radio telephone monitoring system // Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.71 MB | Shaun Ewing | Sept 21, 1937 00:00 | US-2093847-A // Radio telephone monitoring system // Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 2218211.pdf | 1.71 MB | Shaun Ewing | Oct 15, 1940 00:00 |
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US-2218211-A // Telephotography // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.71 MB | Shaun Ewing | Oct 15, 1940 00:00 | US-2218211-A // Telephotography // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2060184.pdf | 1.69 MB | Shaun Ewing | Nov 10, 1936 00:00 |
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US-2060184-A // Telephone system // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | Nov 10, 1936 00:00 | US-2060184-A // Telephone system // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2162892.pdf | 1.68 MB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2162892-A // Telephone system // Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Jun 20, 1939 00:00 | US-2162892-A // Telephone system // Koechling Charles D. // Bell Telephone Labor Inc |
