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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2028171.pdf | 735 kB | Shaun Ewing | Jan 21, 1936 00:00 |
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US-2028171-A // Lock // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 735 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028171-A // Lock // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 1948973.pdf | 735 kB | Shaun Ewing | Feb 27, 1934 00:00 |
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US-1948973-A // Wave transmission with narrowed band // Steinberg John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 735 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948973-A // Wave transmission with narrowed band // Steinberg John C. // Bell Telephone Labor Inc | ||||
| PDF File 1835792.pdf | 734 kB | Shaun Ewing | Dec 08, 1931 00:00 |
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US-1835792-A // Headset // Lum George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 734 kB | Shaun Ewing | Dec 08, 1931 00:00 | US-1835792-A // Headset // Lum George R. // Bell Telephone Labor Inc | ||||
| PDF File 2154888.pdf | 734 kB | Shaun Ewing | Apr 18, 1939 00:00 |
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US-2154888-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 734 kB | Shaun Ewing | Apr 18, 1939 00:00 | US-2154888-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2219749.pdf | 734 kB | Shaun Ewing | Oct 29, 1940 00:00 |
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US-2219749-A // Single side band diversity radio receiving system // Oswald Arthur A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 734 kB | Shaun Ewing | Oct 29, 1940 00:00 | US-2219749-A // Single side band diversity radio receiving system // Oswald Arthur A. // Bell Telephone Labor Inc | ||||
| PDF File 2197041.pdf | 733 kB | Shaun Ewing | Apr 16, 1940 00:00 |
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US-2197041-A // Electron discharge device // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 733 kB | Shaun Ewing | Apr 16, 1940 00:00 | US-2197041-A // Electron discharge device // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2223521.pdf | 733 kB | Shaun Ewing | Dec 03, 1940 00:00 |
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US-2223521-A // High-frequency system // Kirkpatrick William E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 733 kB | Shaun Ewing | Dec 03, 1940 00:00 | US-2223521-A // High-frequency system // Kirkpatrick William E. // Bell Telephone Labor Inc | ||||
| PDF File 2054008.pdf | 732 kB | Shaun Ewing | Sept 08, 1936 00:00 |
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US-2054008-A // Electrical protective system // Swart Leland Kasson ; Tebo Julian Drenner // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 732 kB | Shaun Ewing | Sept 08, 1936 00:00 | US-2054008-A // Electrical protective system // Swart Leland Kasson ; Tebo Julian Drenner // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2223161.pdf | 731 kB | Shaun Ewing | Nov 26, 1940 00:00 |
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US-2223161-A // Negative feedback amplifier circuit // Anderson Frithiof B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 731 kB | Shaun Ewing | Nov 26, 1940 00:00 | US-2223161-A // Negative feedback amplifier circuit // Anderson Frithiof B. // Bell Telephone Labor Inc | ||||
| PDF File 1970312.pdf | 730 kB | Shaun Ewing | Aug 14, 1934 00:00 |
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US-1970312-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 730 kB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970312-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2079689.pdf | 730 kB | Shaun Ewing | May 11, 1937 00:00 |
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US-2079689-A // Repeating station for ocean cables // Gorton William S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 730 kB | Shaun Ewing | May 11, 1937 00:00 | US-2079689-A // Repeating station for ocean cables // Gorton William S. // Bell Telephone Labor Inc | ||||
| PDF File 2141746.pdf | 730 kB | Shaun Ewing | Dec 27, 1938 00:00 |
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US-2141746-A // Electro-optical image producing device // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 730 kB | Shaun Ewing | Dec 27, 1938 00:00 | US-2141746-A // Electro-optical image producing device // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2139233.pdf | 729 kB | Shaun Ewing | Dec 06, 1938 00:00 |
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US-2139233-A // Multichannel television system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 729 kB | Shaun Ewing | Dec 06, 1938 00:00 | US-2139233-A // Multichannel television system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2102155.pdf | 729 kB | Shaun Ewing | Dec 14, 1937 00:00 |
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US-2102155-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 729 kB | Shaun Ewing | Dec 14, 1937 00:00 | US-2102155-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 1870271.pdf | 728 kB | Shaun Ewing | Aug 09, 1932 00:00 |
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US-1870271-A // Acoustic device // Wegel Raymond L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 728 kB | Shaun Ewing | Aug 09, 1932 00:00 | US-1870271-A // Acoustic device // Wegel Raymond L. // Bell Telephone Labor Inc | ||||
| PDF File 2100375.pdf | 728 kB | Shaun Ewing | Nov 30, 1937 00:00 |
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US-2100375-A // Gain control // Blair Royer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 728 kB | Shaun Ewing | Nov 30, 1937 00:00 | US-2100375-A // Gain control // Blair Royer R. // Bell Telephone Labor Inc | ||||
| PDF File 2179243.pdf | 727 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2179243-A // Cathode ray device // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2179243-A // Cathode ray device // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2120408.pdf | 727 kB | Shaun Ewing | Jun 14, 1938 00:00 |
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US-2120408-A // Selective switch // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120408-A // Selective switch // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 2025407.pdf | 727 kB | Shaun Ewing | Dec 24, 1935 00:00 |
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US-2025407-A // Electrical recorder // Williams Samuel B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Dec 24, 1935 00:00 | US-2025407-A // Electrical recorder // Williams Samuel B. // Bell Telephone Labor Inc | ||||
| PDF File 1979101.pdf | 727 kB | Shaun Ewing | Oct 30, 1934 00:00 |
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US-1979101-A // Transmission system // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Oct 30, 1934 00:00 | US-1979101-A // Transmission system // Dudley Homer W. // Bell Telephone Labor Inc |
