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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1816558.pdf | 509 kB | Shaun Ewing | Jul 28, 1931 00:00 |
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US-1816558-A // Electromagnetic device // Zupa Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 509 kB | Shaun Ewing | Jul 28, 1931 00:00 | US-1816558-A // Electromagnetic device // Zupa Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 2022030.pdf | 509 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022030-A // Signaling system // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 509 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022030-A // Signaling system // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 1818064.pdf | 508 kB | Shaun Ewing | Aug 11, 1931 00:00 |
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US-1818064-A // Telephone system // Johnson Herbert B. ; Nostitz Erich Von // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 508 kB | Shaun Ewing | Aug 11, 1931 00:00 | US-1818064-A // Telephone system // Johnson Herbert B. ; Nostitz Erich Von // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2203486.pdf | 508 kB | Shaun Ewing | Jun 04, 1940 00:00 |
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US-2203486-A // Supporting means for piezoelectric plates // Bond Walter L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 508 kB | Shaun Ewing | Jun 04, 1940 00:00 | US-2203486-A // Supporting means for piezoelectric plates // Bond Walter L. // Bell Telephone Labor Inc | ||||
| PDF File 2224677.pdf | 508 kB | Shaun Ewing | Dec 10, 1940 00:00 |
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US-2224677-A // Signaling system // Hanscom Clarence D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 508 kB | Shaun Ewing | Dec 10, 1940 00:00 | US-2224677-A // Signaling system // Hanscom Clarence D. // Bell Telephone Labor Inc | ||||
| PDF File 1958640.pdf | 507 kB | Shaun Ewing | May 15, 1934 00:00 |
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US-1958640-A // Multiunit relay // Reynolds John N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 507 kB | Shaun Ewing | May 15, 1934 00:00 | US-1958640-A // Multiunit relay // Reynolds John N. // Bell Telephone Labor Inc | ||||
| PDF File 2029723.pdf | 507 kB | Shaun Ewing | Feb 04, 1936 00:00 |
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US-2029723-A // Signaling system // Johnson Lewis H. ; Low Frank K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 507 kB | Shaun Ewing | Feb 04, 1936 00:00 | US-2029723-A // Signaling system // Johnson Lewis H. ; Low Frank K. // Bell Telephone Labor Inc | ||||
| PDF File 2194933.pdf | 507 kB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194933-A // Switchboard cord reel // Fullerton William O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 507 kB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194933-A // Switchboard cord reel // Fullerton William O. // Bell Telephone Labor Inc | ||||
| PDF File 1901449.pdf | 506 kB | Shaun Ewing | Mar 14, 1933 00:00 |
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US-1901449-A // Multicontact switch // Hoge Joseph F. D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Mar 14, 1933 00:00 | US-1901449-A // Multicontact switch // Hoge Joseph F. D. // Bell Telephone Labor Inc | ||||
| PDF File 2003913.pdf | 506 kB | Shaun Ewing | Jun 04, 1935 00:00 |
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US-2003913-A // Position controlling device // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Jun 04, 1935 00:00 | US-2003913-A // Position controlling device // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 2182330.pdf | 506 kB | Shaun Ewing | Dec 05, 1939 00:00 |
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US-2182330-A // Method of fabricating tubular structures // Windeler Alfred S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Dec 05, 1939 00:00 | US-2182330-A // Method of fabricating tubular structures // Windeler Alfred S. // Bell Telephone Labor Inc | ||||
| PDF File 1880511.pdf | 506 kB | Shaun Ewing | Oct 04, 1932 00:00 |
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US-1880511-A // Mounting for electrical devices // Soreny Ernest // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880511-A // Mounting for electrical devices // Soreny Ernest // Bell Telephone Labor Inc | ||||
| PDF File 1847213.pdf | 505 kB | Shaun Ewing | Mar 01, 1932 00:00 |
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US-1847213-A // Selector switch // Folkner George W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 505 kB | Shaun Ewing | Mar 01, 1932 00:00 | US-1847213-A // Selector switch // Folkner George W. // Bell Telephone Labor Inc | ||||
| PDF File 1874492.pdf | 505 kB | Shaun Ewing | Aug 30, 1932 00:00 |
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US-1874492-A // Electric wave transmission // Ganz Albert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 505 kB | Shaun Ewing | Aug 30, 1932 00:00 | US-1874492-A // Electric wave transmission // Ganz Albert G. // Bell Telephone Labor Inc | ||||
| PDF File 2022968.pdf | 505 kB | Shaun Ewing | Dec 03, 1935 00:00 |
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US-2022968-A // Frequency changing system // May David T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 505 kB | Shaun Ewing | Dec 03, 1935 00:00 | US-2022968-A // Frequency changing system // May David T. // Bell Telephone Labor Inc | ||||
| PDF File 2128427.pdf | 504 kB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128427-A // Vacuum switch // Means Winthrop J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128427-A // Vacuum switch // Means Winthrop J. // Bell Telephone Labor Inc | ||||
| PDF File 2055659.pdf | 504 kB | Shaun Ewing | Sept 29, 1936 00:00 |
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US-2055659-A // Telephone system // Johnston Donald F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Sept 29, 1936 00:00 | US-2055659-A // Telephone system // Johnston Donald F. // Bell Telephone Labor Inc | ||||
| PDF File 1903998.pdf | 504 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1903998-A // Telephone exchange system // Harper Robert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903998-A // Telephone exchange system // Harper Robert W. // Bell Telephone Labor Inc | ||||
| PDF File 1933248.pdf | 504 kB | Shaun Ewing | Oct 31, 1933 00:00 |
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US-1933248-A // Radio direction finding // Evans Porter H. ; Greig John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Oct 31, 1933 00:00 | US-1933248-A // Radio direction finding // Evans Porter H. ; Greig John W. // Bell Telephone Labor Inc | ||||
| PDF File 2214804.pdf | 503 kB | Shaun Ewing | Sept 17, 1940 00:00 |
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US-2214804-A // Two-way communication system // Augustadt Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 503 kB | Shaun Ewing | Sept 17, 1940 00:00 | US-2214804-A // Two-way communication system // Augustadt Herbert W. // Bell Telephone Labor Inc |
