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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2069825.pdf | 385 kB | Shaun Ewing | Feb 09, 1937 00:00 |
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US-2069825-A // Alternating current regulator // Farkas Samuel F. ; Hilton Linwood B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 385 kB | Shaun Ewing | Feb 09, 1937 00:00 | US-2069825-A // Alternating current regulator // Farkas Samuel F. ; Hilton Linwood B. // Bell Telephone Labor Inc | ||||
| PDF File 1836804.pdf | 385 kB | Shaun Ewing | Dec 15, 1931 00:00 |
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US-1836804-A // Carrier repeating system // Kahl William E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 385 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836804-A // Carrier repeating system // Kahl William E. // Bell Telephone Labor Inc | ||||
| PDF File 2014215.pdf | 385 kB | Shaun Ewing | Sept 10, 1935 00:00 |
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US-2014215-A // Signaling system // Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 385 kB | Shaun Ewing | Sept 10, 1935 00:00 | US-2014215-A // Signaling system // Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 2013154.pdf | 385 kB | Shaun Ewing | Sept 03, 1935 00:00 |
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US-2013154-A // Translating circuit // Jensen Axel G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 385 kB | Shaun Ewing | Sept 03, 1935 00:00 | US-2013154-A // Translating circuit // Jensen Axel G. // Bell Telephone Labor Inc | ||||
| PDF File 1965423.pdf | 385 kB | Shaun Ewing | Jul 03, 1934 00:00 |
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US-1965423-A // Telephone substation apparatus // Lum George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 385 kB | Shaun Ewing | Jul 03, 1934 00:00 | US-1965423-A // Telephone substation apparatus // Lum George R. // Bell Telephone Labor Inc | ||||
| PDF File 1800372.pdf | 384 kB | Shaun Ewing | Apr 14, 1931 00:00 |
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US-1800372-A // Frequency-translating circuit // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 384 kB | Shaun Ewing | Apr 14, 1931 00:00 | US-1800372-A // Frequency-translating circuit // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2158516.pdf | 384 kB | Shaun Ewing | May 16, 1939 00:00 |
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US-2158516-A // Protective device for electrical apparatus // Meintash Frank H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 384 kB | Shaun Ewing | May 16, 1939 00:00 | US-2158516-A // Protective device for electrical apparatus // Meintash Frank H. // Bell Telephone Labor Inc | ||||
| PDF File 2218524.pdf | 384 kB | Shaun Ewing | Oct 22, 1940 00:00 |
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US-2218524-A // Frequency modulation system // Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 384 kB | Shaun Ewing | Oct 22, 1940 00:00 | US-2218524-A // Frequency modulation system // Chaffee Joseph G. // Bell Telephone Labor Inc | ||||
| PDF File 2107759.pdf | 384 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107759-A // Electrooptical scanning apparatus // Mattke Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 384 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107759-A // Electrooptical scanning apparatus // Mattke Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 1853929.pdf | 383 kB | Shaun Ewing | Apr 12, 1932 00:00 |
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US-1853929-A // Electric wave filter // Rettenmeyer Francis X. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Apr 12, 1932 00:00 | US-1853929-A // Electric wave filter // Rettenmeyer Francis X. // Bell Telephone Labor Inc | ||||
| PDF File 1847089.pdf | 383 kB | Shaun Ewing | Mar 01, 1932 00:00 |
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US-1847089-A // Radio receiving system // Heising Raymond A. ; Farrington John F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Mar 01, 1932 00:00 | US-1847089-A // Radio receiving system // Heising Raymond A. ; Farrington John F. // Bell Telephone Labor Inc | ||||
| PDF File 1970310.pdf | 383 kB | Shaun Ewing | Aug 14, 1934 00:00 |
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US-1970310-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970310-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1939053.pdf | 383 kB | Shaun Ewing | Dec 12, 1933 00:00 |
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US-1939053-A // Short wave transmission // Hunt Loyd E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Dec 12, 1933 00:00 | US-1939053-A // Short wave transmission // Hunt Loyd E. // Bell Telephone Labor Inc | ||||
| PDF File 2111632.pdf | 383 kB | Shaun Ewing | Mar 22, 1938 00:00 |
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US-2111632-A // Relay circuit // Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Mar 22, 1938 00:00 | US-2111632-A // Relay circuit // Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 1926899.pdf | 382 kB | Shaun Ewing | Sept 12, 1933 00:00 |
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US-1926899-A // Submarine communication cable // Gilbert John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 382 kB | Shaun Ewing | Sept 12, 1933 00:00 | US-1926899-A // Submarine communication cable // Gilbert John J. // Bell Telephone Labor Inc | ||||
| PDF File 1896785.pdf | 382 kB | Shaun Ewing | Feb 07, 1933 00:00 |
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US-1896785-A // Modulating device // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 382 kB | Shaun Ewing | Feb 07, 1933 00:00 | US-1896785-A // Modulating device // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 1864547.pdf | 382 kB | Shaun Ewing | Jun 28, 1932 00:00 |
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US-1864547-A // Incandescent lamp // Morton Edmund R. ; Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 382 kB | Shaun Ewing | Jun 28, 1932 00:00 | US-1864547-A // Incandescent lamp // Morton Edmund R. ; Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2202906.pdf | 382 kB | Shaun Ewing | Jun 04, 1940 00:00 |
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US-2202906-A // Telephone receiver // Hawley Melville S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 382 kB | Shaun Ewing | Jun 04, 1940 00:00 | US-2202906-A // Telephone receiver // Hawley Melville S. // Bell Telephone Labor Inc | ||||
| PDF File 2171333.pdf | 380 kB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2171333-A // Relay // Fry Jacob R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Aug 29, 1939 00:00 | US-2171333-A // Relay // Fry Jacob R. // Bell Telephone Labor Inc | ||||
| PDF File 2179261.pdf | 380 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2179261-A // Method and apparatus for heating dielectric materials // Keller Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2179261-A // Method and apparatus for heating dielectric materials // Keller Arthur C. // Bell Telephone Labor Inc |
