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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2218200.pdf | 1.31 MB | Shaun Ewing | Oct 15, 1940 00:00 |
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US-2218200-A // Piezoelectric apparatus // Lack Frederick R. ; Willard Gerald W. ; Fair Irvin E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | Oct 15, 1940 00:00 | US-2218200-A // Piezoelectric apparatus // Lack Frederick R. ; Willard Gerald W. ; Fair Irvin E. // Bell Telephone Labor Inc | ||||
| PDF File 2017654.pdf | 1.31 MB | Shaun Ewing | Oct 15, 1935 00:00 |
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US-2017654-A // Gain control circuit // Coy Jay A. ; Romnes Haakon I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | Oct 15, 1935 00:00 | US-2017654-A // Gain control circuit // Coy Jay A. ; Romnes Haakon I. // Bell Telephone Labor Inc | ||||
| PDF File 2063998.pdf | 1.30 MB | Shaun Ewing | Dec 15, 1936 00:00 |
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US-2063998-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Dec 15, 1936 00:00 | US-2063998-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2210068.pdf | 1.30 MB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2210068-A // Telephone system // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Aug 06, 1940 00:00 | US-2210068-A // Telephone system // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2219021.pdf | 1.30 MB | Shaun Ewing | Oct 22, 1940 00:00 |
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US-2219021-A // Frequency changing // Riesz Robert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Oct 22, 1940 00:00 | US-2219021-A // Frequency changing // Riesz Robert R. // Bell Telephone Labor Inc | ||||
| PDF File 2166763.pdf | 1.30 MB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166763-A // Piezoelectric apparatus and circuits // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166763-A // Piezoelectric apparatus and circuits // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2105472.pdf | 1.30 MB | Shaun Ewing | Jan 18, 1938 00:00 |
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US-2105472-A // High power discharge device // Clark James E. ; Ekstrand Sture O. ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105472-A // High power discharge device // Clark James E. ; Ekstrand Sture O. ; Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2212214.pdf | 1.29 MB | Shaun Ewing | Aug 20, 1940 00:00 |
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US-2212214-A // Electrical transmission system // Smith Phillip H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Aug 20, 1940 00:00 | US-2212214-A // Electrical transmission system // Smith Phillip H. // Bell Telephone Labor Inc | ||||
| PDF File 2097507.pdf | 1.29 MB | Shaun Ewing | Nov 02, 1937 00:00 |
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US-2097507-A // Control circuit // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Nov 02, 1937 00:00 | US-2097507-A // Control circuit // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 1978419.pdf | 1.29 MB | Shaun Ewing | Oct 30, 1934 00:00 |
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US-1978419-A // Transmission system // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Oct 30, 1934 00:00 | US-1978419-A // Transmission system // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 1881607.pdf | 1.29 MB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881607-A // Printing telegraph system // Hunt Arthur E. ; Lang Wilmarth Y. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881607-A // Printing telegraph system // Hunt Arthur E. ; Lang Wilmarth Y. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2034883.pdf | 1.29 MB | Shaun Ewing | Mar 24, 1936 00:00 |
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US-2034883-A // Telephone system // Scudder Frederick J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Mar 24, 1936 00:00 | US-2034883-A // Telephone system // Scudder Frederick J. // Bell Telephone Labor Inc | ||||
| PDF File 2225928.pdf | 1.29 MB | Shaun Ewing | Dec 24, 1940 00:00 |
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US-2225928-A // Multiple unit steerable antenna system // Ring Douglas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Dec 24, 1940 00:00 | US-2225928-A // Multiple unit steerable antenna system // Ring Douglas H. // Bell Telephone Labor Inc | ||||
| PDF File 1912453.pdf | 1.29 MB | Shaun Ewing | Jun 06, 1933 00:00 |
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US-1912453-A // Telephone exchance system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Jun 06, 1933 00:00 | US-1912453-A // Telephone exchance system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 2114253.pdf | 1.29 MB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114253-A // Telegraph exchange system // Large Wayne V. K. ; Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114253-A // Telegraph exchange system // Large Wayne V. K. ; Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 2088317.pdf | 1.28 MB | Shaun Ewing | Jul 27, 1937 00:00 |
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US-2088317-A // Electric discharge tube testing and measuring circuit // Bachelet Albert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Jul 27, 1937 00:00 | US-2088317-A // Electric discharge tube testing and measuring circuit // Bachelet Albert E. // Bell Telephone Labor Inc | ||||
| PDF File 2183399.pdf | 1.28 MB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2183399-A // Ultra-short wave altimeter for aircraft // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Dec 12, 1939 00:00 | US-2183399-A // Ultra-short wave altimeter for aircraft // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2173858.pdf | 1.28 MB | Shaun Ewing | Sept 26, 1939 00:00 |
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US-2173858-A // Radio system // Pierce Norman J. ; Polkinghorn Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Sept 26, 1939 00:00 | US-2173858-A // Radio system // Pierce Norman J. ; Polkinghorn Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 1968457.pdf | 1.28 MB | Shaun Ewing | Jul 31, 1934 00:00 |
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US-1968457-A // Transmission of intelligence over wires // Knoop William A. // Bell Telephone Laboratoires In | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Jul 31, 1934 00:00 | US-1968457-A // Transmission of intelligence over wires // Knoop William A. // Bell Telephone Laboratoires In | ||||
| PDF File 1978164.pdf | 1.27 MB | Shaun Ewing | Oct 23, 1934 00:00 |
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US-1978164-A // Wire splicing machine // Jr. Charles L. Van Inwagen, ; Mesch Orwar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Oct 23, 1934 00:00 | US-1978164-A // Wire splicing machine // Jr. Charles L. Van Inwagen, ; Mesch Orwar A. // Bell Telephone Labor Inc |
