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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2102719.pdf | 3.10 MB | Shaun Ewing | Dec 21, 1937 00:00 |
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US-2102719-A // Signal distortion indicating and measuring device // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.10 MB | Shaun Ewing | Dec 21, 1937 00:00 | US-2102719-A // Signal distortion indicating and measuring device // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 1808527.pdf | 3.05 MB | Shaun Ewing | Jun 02, 1931 00:00 |
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US-1808527-A // Automatic telephone exchange system // Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.05 MB | Shaun Ewing | Jun 02, 1931 00:00 | US-1808527-A // Automatic telephone exchange system // Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 2017644.pdf | 3.02 MB | Shaun Ewing | Oct 15, 1935 00:00 |
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US-2017644-A // Service observation system // Allen Lawrence H. ; Massonneau Robert F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.02 MB | Shaun Ewing | Oct 15, 1935 00:00 | US-2017644-A // Service observation system // Allen Lawrence H. ; Massonneau Robert F. // Bell Telephone Labor Inc | ||||
| PDF File 1850603.pdf | 3.01 MB | Shaun Ewing | Mar 22, 1932 00:00 |
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US-1850603-A // Telephone system // Quass Ralph L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.01 MB | Shaun Ewing | Mar 22, 1932 00:00 | US-1850603-A // Telephone system // Quass Ralph L. // Bell Telephone Labor Inc | ||||
| PDF File 2102670.pdf | 3.00 MB | Shaun Ewing | Dec 21, 1937 00:00 |
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US-2102670-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.00 MB | Shaun Ewing | Dec 21, 1937 00:00 | US-2102670-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 1863141.pdf | 3.00 MB | Shaun Ewing | Jun 14, 1932 00:00 |
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US-1863141-A // Time of day announcing system // Prince William B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.00 MB | Shaun Ewing | Jun 14, 1932 00:00 | US-1863141-A // Time of day announcing system // Prince William B. // Bell Telephone Labor Inc | ||||
| PDF File 2021287.pdf | 2.97 MB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021287-A // Telephone system // Butz Edward D. ; Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.97 MB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021287-A // Telephone system // Butz Edward D. ; Koechling Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2201296.pdf | 2.93 MB | Shaun Ewing | May 21, 1940 00:00 |
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US-2201296-A // Telephone system // Lundstrom Alexis A. ; Norton Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.93 MB | Shaun Ewing | May 21, 1940 00:00 | US-2201296-A // Telephone system // Lundstrom Alexis A. ; Norton Edward L. // Bell Telephone Labor Inc | ||||
| PDF File 1840356.pdf | 2.93 MB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1840356-A // Automatic telephone exchange system // Goodrum Charles L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.93 MB | Shaun Ewing | Jan 12, 1932 00:00 | US-1840356-A // Automatic telephone exchange system // Goodrum Charles L. // Bell Telephone Labor Inc | ||||
| PDF File 2131870.pdf | 2.92 MB | Shaun Ewing | Oct 04, 1938 00:00 |
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US-2131870-A // Telegraph system // Cramer Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.92 MB | Shaun Ewing | Oct 04, 1938 00:00 | US-2131870-A // Telegraph system // Cramer Walter W. // Bell Telephone Labor Inc | ||||
| PDF File 2136620.pdf | 2.91 MB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2136620-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.91 MB | Shaun Ewing | Nov 15, 1938 00:00 | US-2136620-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | ||||
| PDF File 1926894.pdf | 2.91 MB | Shaun Ewing | Sept 12, 1933 00:00 |
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US-1926894-A // Selector testing system // Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.91 MB | Shaun Ewing | Sept 12, 1933 00:00 | US-1926894-A // Selector testing system // Dehn Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2208765.pdf | 2.90 MB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208765-A // Telephone system // King Ralph E. ; Miller Ohmer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.90 MB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208765-A // Telephone system // King Ralph E. ; Miller Ohmer R. // Bell Telephone Labor Inc | ||||
| PDF File 2101668.pdf | 2.85 MB | Shaun Ewing | Dec 07, 1937 00:00 |
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US-2101668-A // Radio communication system // Bishop John B. ; Knott William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.85 MB | Shaun Ewing | Dec 07, 1937 00:00 | US-2101668-A // Radio communication system // Bishop John B. ; Knott William M. // Bell Telephone Labor Inc | ||||
| PDF File 1811844.pdf | 2.82 MB | Shaun Ewing | Jun 30, 1931 00:00 |
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US-1811844-A // Automatic telephone exchange system // Dixon Amos F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.82 MB | Shaun Ewing | Jun 30, 1931 00:00 | US-1811844-A // Automatic telephone exchange system // Dixon Amos F. // Bell Telephone Labor Inc | ||||
| PDF File 1840357.pdf | 2.80 MB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1840357-A // Panel dial switching system // Goodrum Charles L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.80 MB | Shaun Ewing | Jan 12, 1932 00:00 | US-1840357-A // Panel dial switching system // Goodrum Charles L. // Bell Telephone Labor Inc | ||||
| PDF File 2111652.pdf | 2.77 MB | Shaun Ewing | Mar 22, 1938 00:00 |
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US-2111652-A // Communicating system // Williams Samuel B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.77 MB | Shaun Ewing | Mar 22, 1938 00:00 | US-2111652-A // Communicating system // Williams Samuel B. // Bell Telephone Labor Inc | ||||
| PDF File 1816570.pdf | 2.76 MB | Shaun Ewing | Jul 28, 1931 00:00 |
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US-1816570-A // Testing system // Draper John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.76 MB | Shaun Ewing | Jul 28, 1931 00:00 | US-1816570-A // Testing system // Draper John B. // Bell Telephone Labor Inc | ||||
| PDF File 2075527.pdf | 2.74 MB | Shaun Ewing | Mar 30, 1937 00:00 |
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US-2075527-A // Telephone system // Korn Franklin A. ; Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.74 MB | Shaun Ewing | Mar 30, 1937 00:00 | US-2075527-A // Telephone system // Korn Franklin A. ; Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2161945.pdf | 2.73 MB | Shaun Ewing | Jun 13, 1939 00:00 |
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US-2161945-A // Time-of-day announcing system // Baumfalk John ; Bennett William ; Wright Paul L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.73 MB | Shaun Ewing | Jun 13, 1939 00:00 | US-2161945-A // Time-of-day announcing system // Baumfalk John ; Bennett William ; Wright Paul L. // Bell Telephone Labor Inc |
