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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2209667.pdf | 1.41 MB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209667-A // Control of transmission in two-way signaling systems // Taylor Charles C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209667-A // Control of transmission in two-way signaling systems // Taylor Charles C. // Bell Telephone Labor Inc | ||||
| PDF File 2034703.pdf | 1.41 MB | Shaun Ewing | Mar 24, 1936 00:00 |
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US-2034703-A // Transmission control in signaling systems // Metzger Frederick W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Mar 24, 1936 00:00 | US-2034703-A // Transmission control in signaling systems // Metzger Frederick W. // Bell Telephone Labor Inc | ||||
| PDF File 2210503.pdf | 1.41 MB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2210503-A // Wave translation system // Shaw Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Aug 06, 1940 00:00 | US-2210503-A // Wave translation system // Shaw Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2170941.pdf | 1.41 MB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2170941-A // Transmission control in signaling systems // Davis Kingsbury H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Aug 29, 1939 00:00 | US-2170941-A // Transmission control in signaling systems // Davis Kingsbury H. // Bell Telephone Labor Inc | ||||
| PDF File 1864553.pdf | 1.41 MB | Shaun Ewing | Jun 28, 1932 00:00 |
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US-1864553-A // Telephone system // Quass Ralph L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Jun 28, 1932 00:00 | US-1864553-A // Telephone system // Quass Ralph L. // Bell Telephone Labor Inc | ||||
| PDF File 2207703.pdf | 1.40 MB | Shaun Ewing | Jul 16, 1940 00:00 |
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US-2207703-A // Time-of-day announcing machine // Smith Percy C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Jul 16, 1940 00:00 | US-2207703-A // Time-of-day announcing machine // Smith Percy C. // Bell Telephone Labor Inc | ||||
| PDF File 2041083.pdf | 1.40 MB | Shaun Ewing | May 19, 1936 00:00 |
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US-2041083-A // Telephone system // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | May 19, 1936 00:00 | US-2041083-A // Telephone system // Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 1873268.pdf | 1.40 MB | Shaun Ewing | Aug 23, 1932 00:00 |
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US-1873268-A // Transmission control circuits // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Aug 23, 1932 00:00 | US-1873268-A // Transmission control circuits // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 1852747.pdf | 1.40 MB | Shaun Ewing | Apr 05, 1932 00:00 |
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US-1852747-A // Trunk circuit for telephone exchange systems // Hague Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Apr 05, 1932 00:00 | US-1852747-A // Trunk circuit for telephone exchange systems // Hague Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2122495.pdf | 1.40 MB | Shaun Ewing | Jul 05, 1938 00:00 |
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US-2122495-A // Magnetron oscillator // Scott Herbert J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Jul 05, 1938 00:00 | US-2122495-A // Magnetron oscillator // Scott Herbert J. // Bell Telephone Labor Inc | ||||
| PDF File 2030412.pdf | 1.40 MB | Shaun Ewing | Feb 11, 1936 00:00 |
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US-2030412-A // Telephone exchange system // Stearn Franklin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Feb 11, 1936 00:00 | US-2030412-A // Telephone exchange system // Stearn Franklin A. // Bell Telephone Labor Inc | ||||
| PDF File 2006489.pdf | 1.40 MB | Shaun Ewing | Jul 02, 1935 00:00 |
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US-2006489-A // Telephone system // Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Jul 02, 1935 00:00 | US-2006489-A // Telephone system // Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2225907.pdf | 1.40 MB | Shaun Ewing | Dec 24, 1940 00:00 |
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US-2225907-A // Ringing current supply system // Duguid James M. ; Ross Walter S. ; Duyne Carlton W. Van // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Dec 24, 1940 00:00 | US-2225907-A // Ringing current supply system // Duguid James M. ; Ross Walter S. ; Duyne Carlton W. Van // Bell Telephone Labor Inc | ||||
| PDF File 1828454.pdf | 1.39 MB | Shaun Ewing | Oct 20, 1931 00:00 |
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US-1828454-A // Transmission network // Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Oct 20, 1931 00:00 | US-1828454-A // Transmission network // Bode Hendrik W. // Bell Telephone Labor Inc | ||||
| PDF File 1850593.pdf | 1.39 MB | Shaun Ewing | Mar 22, 1932 00:00 |
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US-1850593-A // Transmission control // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Mar 22, 1932 00:00 | US-1850593-A // Transmission control // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1798243.pdf | 1.39 MB | Shaun Ewing | Mar 31, 1931 00:00 |
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US-1798243-A // Electrical transmission system // Whittle Horace ; Hilton Linwood B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Mar 31, 1931 00:00 | US-1798243-A // Electrical transmission system // Whittle Horace ; Hilton Linwood B. // Bell Telephone Labor Inc | ||||
| PDF File 1970334.pdf | 1.39 MB | Shaun Ewing | Aug 14, 1934 00:00 |
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US-1970334-A // Transmission control circuits // Norwine Andrew C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970334-A // Transmission control circuits // Norwine Andrew C. // Bell Telephone Labor Inc | ||||
| PDF File 1944244.pdf | 1.39 MB | Shaun Ewing | Jan 23, 1934 00:00 |
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US-1944244-A // Telephone system // Korn Franklin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Jan 23, 1934 00:00 | US-1944244-A // Telephone system // Korn Franklin A. // Bell Telephone Labor Inc | ||||
| PDF File 2131173.pdf | 1.39 MB | Shaun Ewing | Sept 27, 1938 00:00 |
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US-2131173-A // Cable sheath extruding press // Greenall Charles H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Sept 27, 1938 00:00 | US-2131173-A // Cable sheath extruding press // Greenall Charles H. // Bell Telephone Labor Inc | ||||
| PDF File 2064958.pdf | 1.39 MB | Shaun Ewing | Dec 22, 1936 00:00 |
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US-2064958-A // Signaling system for radiotelephones // Taylor Edmund R. ; Taylor Charles C. ; Wadsworth Paul W. // Bell Telephone Labor Inc ; Edmund R Taylor ; Charles C Taylor ; American Telephone & Telegraph | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Dec 22, 1936 00:00 | US-2064958-A // Signaling system for radiotelephones // Taylor Edmund R. ; Taylor Charles C. ; Wadsworth Paul W. // Bell Telephone Labor Inc ; Edmund R Taylor ; Charles C Taylor ; American Telephone & Telegraph |
