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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2105910.pdf | 1.24 MB | Shaun Ewing | Jan 18, 1938 00:00 |
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US-2105910-A // Carrier wave transmission system // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105910-A // Carrier wave transmission system // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2218225.pdf | 1.24 MB | Shaun Ewing | Oct 15, 1940 00:00 |
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US-2218225-A // Piezoelectric apparatus // Willard Gerald W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Oct 15, 1940 00:00 | US-2218225-A // Piezoelectric apparatus // Willard Gerald W. // Bell Telephone Labor Inc | ||||
| PDF File 2187158.pdf | 1.24 MB | Shaun Ewing | Jan 16, 1940 00:00 |
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US-2187158-A // Telegraph system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Jan 16, 1940 00:00 | US-2187158-A // Telegraph system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 1920274.pdf | 1.24 MB | Shaun Ewing | Aug 01, 1933 00:00 |
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US-1920274-A // Wave translating system // Pidgeon Howard A. ; Mcnally James O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Aug 01, 1933 00:00 | US-1920274-A // Wave translating system // Pidgeon Howard A. ; Mcnally James O. // Bell Telephone Labor Inc | ||||
| PDF File 2197501.pdf | 1.23 MB | Shaun Ewing | Apr 16, 1940 00:00 |
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US-2197501-A // Control circuit for high speed selector // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Apr 16, 1940 00:00 | US-2197501-A // Control circuit for high speed selector // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2031922.pdf | 1.23 MB | Shaun Ewing | Feb 25, 1936 00:00 |
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US-2031922-A // Telephone system // Bonomi Felix A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Feb 25, 1936 00:00 | US-2031922-A // Telephone system // Bonomi Felix A. // Bell Telephone Labor Inc | ||||
| PDF File 2081422.pdf | 1.23 MB | Shaun Ewing | May 25, 1937 00:00 |
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US-2081422-A // Transmission control in signaling systems // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | May 25, 1937 00:00 | US-2081422-A // Transmission control in signaling systems // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2204083.pdf | 1.23 MB | Shaun Ewing | Jun 11, 1940 00:00 |
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US-2204083-A // Coin collector // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Jun 11, 1940 00:00 | US-2204083-A // Coin collector // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 1823739.pdf | 1.23 MB | Shaun Ewing | Sept 15, 1931 00:00 |
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US-1823739-A // System operating on a marginal current basis // Horton Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Sept 15, 1931 00:00 | US-1823739-A // System operating on a marginal current basis // Horton Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2153129.pdf | 1.23 MB | Shaun Ewing | Apr 04, 1939 00:00 |
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US-2153129-A // Telephone system // Bascom Henry M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Apr 04, 1939 00:00 | US-2153129-A // Telephone system // Bascom Henry M. // Bell Telephone Labor Inc | ||||
| PDF File 2087316.pdf | 1.23 MB | Shaun Ewing | Jul 20, 1937 00:00 |
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US-2087316-A // Volume control system // Jr. Stephen Doba, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Jul 20, 1937 00:00 | US-2087316-A // Volume control system // Jr. Stephen Doba, // Bell Telephone Labor Inc | ||||
| PDF File 1953487.pdf | 1.23 MB | Shaun Ewing | Apr 03, 1934 00:00 |
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US-1953487-A // Transmission control circuits // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Apr 03, 1934 00:00 | US-1953487-A // Transmission control circuits // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 2115803.pdf | 1.23 MB | Shaun Ewing | May 03, 1938 00:00 |
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US-2115803-A // Signaling system // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | May 03, 1938 00:00 | US-2115803-A // Signaling system // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2173548.pdf | 1.22 MB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173548-A // Selector switch // Carpenter Warren W. ; Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173548-A // Selector switch // Carpenter Warren W. ; Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2107753.pdf | 1.22 MB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107753-A // Distortion indicating and measuring device for printing telegraph systems // Hearn Richard B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107753-A // Distortion indicating and measuring device for printing telegraph systems // Hearn Richard B. // Bell Telephone Labor Inc | ||||
| PDF File 1804778.pdf | 1.22 MB | Shaun Ewing | May 12, 1931 00:00 |
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US-1804778-A // Telephone system // Johnson Lewis H. ; Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | May 12, 1931 00:00 | US-1804778-A // Telephone system // Johnson Lewis H. ; Stokely Ray L. // Bell Telephone Labor Inc | ||||
| PDF File 2020452.pdf | 1.22 MB | Shaun Ewing | Nov 12, 1935 00:00 |
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US-2020452-A // Transmission control in signaling systems // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Nov 12, 1935 00:00 | US-2020452-A // Transmission control in signaling systems // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2129669.pdf | 1.22 MB | Shaun Ewing | Sept 13, 1938 00:00 |
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US-2129669-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Sept 13, 1938 00:00 | US-2129669-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | ||||
| PDF File 2206659.pdf | 1.22 MB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206659-A // Communication system // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206659-A // Communication system // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2133475.pdf | 1.22 MB | Shaun Ewing | Oct 18, 1938 00:00 |
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US-2133475-A // Call transmitter // Richard Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Oct 18, 1938 00:00 | US-2133475-A // Call transmitter // Richard Charles D. // Bell Telephone Labor Inc |
