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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2155696.pdf | 618 kB | Shaun Ewing | Apr 25, 1939 00:00 |
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US-2155696-A // Measuring circuit // Vaughan Henry E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Apr 25, 1939 00:00 | US-2155696-A // Measuring circuit // Vaughan Henry E. // Bell Telephone Labor Inc | ||||
| PDF File 2029699.pdf | 618 kB | Shaun Ewing | Feb 04, 1936 00:00 |
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US-2029699-A // Alarm system // Bowne Langford J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Feb 04, 1936 00:00 | US-2029699-A // Alarm system // Bowne Langford J. // Bell Telephone Labor Inc | ||||
| PDF File 2167016.pdf | 618 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167016-A // Cross-talk reduction // Weaver Myron A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167016-A // Cross-talk reduction // Weaver Myron A. // Bell Telephone Labor Inc | ||||
| PDF File 2084123.pdf | 617 kB | Shaun Ewing | Jun 15, 1937 00:00 |
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US-2084123-A // Loading coil case // Bardsley Joseph R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 617 kB | Shaun Ewing | Jun 15, 1937 00:00 | US-2084123-A // Loading coil case // Bardsley Joseph R. // Bell Telephone Labor Inc | ||||
| PDF File 2033282.pdf | 617 kB | Shaun Ewing | Mar 10, 1936 00:00 |
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US-2033282-A // Composite signaling system // Goddard Myron C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 617 kB | Shaun Ewing | Mar 10, 1936 00:00 | US-2033282-A // Composite signaling system // Goddard Myron C. // Bell Telephone Labor Inc | ||||
| PDF File 2102137.pdf | 617 kB | Shaun Ewing | Dec 14, 1937 00:00 |
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US-2102137-A // Telephone system // Sperry Arthur B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 617 kB | Shaun Ewing | Dec 14, 1937 00:00 | US-2102137-A // Telephone system // Sperry Arthur B. // Bell Telephone Labor Inc | ||||
| PDF File 2002216.pdf | 617 kB | Shaun Ewing | May 21, 1935 00:00 |
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US-2002216-A // Wave filter // Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 617 kB | Shaun Ewing | May 21, 1935 00:00 | US-2002216-A // Wave filter // Bode Hendrik W. // Bell Telephone Labor Inc | ||||
| PDF File 1969525.pdf | 616 kB | Shaun Ewing | Aug 07, 1934 00:00 |
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US-1969525-A // Machine for working glass // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 616 kB | Shaun Ewing | Aug 07, 1934 00:00 | US-1969525-A // Machine for working glass // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1997207.pdf | 616 kB | Shaun Ewing | Apr 09, 1935 00:00 |
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US-1997207-A // Voice operated circuits // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 616 kB | Shaun Ewing | Apr 09, 1935 00:00 | US-1997207-A // Voice operated circuits // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 1915386.pdf | 616 kB | Shaun Ewing | Jun 27, 1933 00:00 |
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US-1915386-A // Process for the production of magnetic materials in powdered form // Schumacher Earle E. ; Ellis William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 616 kB | Shaun Ewing | Jun 27, 1933 00:00 | US-1915386-A // Process for the production of magnetic materials in powdered form // Schumacher Earle E. ; Ellis William C. // Bell Telephone Labor Inc | ||||
| PDF File 1897045.pdf | 615 kB | Shaun Ewing | Feb 14, 1933 00:00 |
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US-1897045-A // Relay // Fry Jacob R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Feb 14, 1933 00:00 | US-1897045-A // Relay // Fry Jacob R. // Bell Telephone Labor Inc | ||||
| PDF File 2086540.pdf | 615 kB | Shaun Ewing | Jul 13, 1937 00:00 |
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US-2086540-A // Impulse circuit // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Jul 13, 1937 00:00 | US-2086540-A // Impulse circuit // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2199433.pdf | 612 kB | Shaun Ewing | May 07, 1940 00:00 |
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US-2199433-A // Optical scanning apparatus using mirror helix // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 612 kB | Shaun Ewing | May 07, 1940 00:00 | US-2199433-A // Optical scanning apparatus using mirror helix // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2101243.pdf | 612 kB | Shaun Ewing | Dec 07, 1937 00:00 |
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US-2101243-A // Telegraph signal repeating system // Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 612 kB | Shaun Ewing | Dec 07, 1937 00:00 | US-2101243-A // Telegraph signal repeating system // Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 1953496.pdf | 612 kB | Shaun Ewing | Apr 03, 1934 00:00 |
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US-1953496-A // Long distance telephone system // Nebel Charles N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 612 kB | Shaun Ewing | Apr 03, 1934 00:00 | US-1953496-A // Long distance telephone system // Nebel Charles N. // Bell Telephone Labor Inc | ||||
| PDF File 2147728.pdf | 611 kB | Shaun Ewing | Feb 21, 1939 00:00 |
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US-2147728-A // Phase changer // Wintringham William T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Feb 21, 1939 00:00 | US-2147728-A // Phase changer // Wintringham William T. // Bell Telephone Labor Inc | ||||
| PDF File 2110438.pdf | 611 kB | Shaun Ewing | Mar 08, 1938 00:00 |
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US-2110438-A // Impulse repeater // Cummings George C. ; Hearn Richard B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Mar 08, 1938 00:00 | US-2110438-A // Impulse repeater // Cummings George C. ; Hearn Richard B. // Bell Telephone Labor Inc | ||||
| PDF File 2167368.pdf | 610 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167368-A // Electric wave amplifying system // Meyers Stanley T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 610 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167368-A // Electric wave amplifying system // Meyers Stanley T. // Bell Telephone Labor Inc | ||||
| PDF File 2046686.pdf | 610 kB | Shaun Ewing | Jul 07, 1936 00:00 |
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US-2046686-A // Asymmetrical electrical conductor // Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 610 kB | Shaun Ewing | Jul 07, 1936 00:00 | US-2046686-A // Asymmetrical electrical conductor // Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 1980220.pdf | 610 kB | Shaun Ewing | Nov 13, 1934 00:00 |
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US-1980220-A // Intermittent feed device // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 610 kB | Shaun Ewing | Nov 13, 1934 00:00 | US-1980220-A // Intermittent feed device // Morton Edmund R. // Bell Telephone Labor Inc |