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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1907105.pdf | 428 kB | Shaun Ewing | May 02, 1933 00:00 |
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US-1907105-A // Magnetic testing // Haworth Francis E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 428 kB | Shaun Ewing | May 02, 1933 00:00 | US-1907105-A // Magnetic testing // Haworth Francis E. // Bell Telephone Labor Inc | ||||
| PDF File 2032191.pdf | 427 kB | Shaun Ewing | Feb 25, 1936 00:00 |
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US-2032191-A // Circuit controller // Tromp Gerard P. ; Neill Paul // Bell Telephone Labor Inc | |||
| Version 1 (current) | 427 kB | Shaun Ewing | Feb 25, 1936 00:00 | US-2032191-A // Circuit controller // Tromp Gerard P. ; Neill Paul // Bell Telephone Labor Inc | ||||
| PDF File 1788030.pdf | 427 kB | Shaun Ewing | Jan 06, 1931 00:00 |
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US-1788030-A // Telephone instrument // Penn Julius H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 427 kB | Shaun Ewing | Jan 06, 1931 00:00 | US-1788030-A // Telephone instrument // Penn Julius H. // Bell Telephone Labor Inc | ||||
| PDF File 1802118.pdf | 427 kB | Shaun Ewing | Apr 21, 1931 00:00 |
|
US-1802118-A // Modulator and system of modulation // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 427 kB | Shaun Ewing | Apr 21, 1931 00:00 | US-1802118-A // Modulator and system of modulation // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 1919796.pdf | 427 kB | Shaun Ewing | Jul 25, 1933 00:00 |
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US-1919796-A // Mechanical vibrating element // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 427 kB | Shaun Ewing | Jul 25, 1933 00:00 | US-1919796-A // Mechanical vibrating element // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2117702.pdf | 426 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117702-A // Switching mechanism // Burwell John A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 426 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117702-A // Switching mechanism // Burwell John A. // Bell Telephone Labor Inc | ||||
| PDF File 1804746.pdf | 426 kB | Shaun Ewing | May 12, 1931 00:00 |
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US-1804746-A // High speed relay // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 426 kB | Shaun Ewing | May 12, 1931 00:00 | US-1804746-A // High speed relay // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1883111.pdf | 425 kB | Shaun Ewing | Oct 18, 1932 00:00 |
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US-1883111-A // Piezo-electric crystal mounting // Thurston George M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1883111-A // Piezo-electric crystal mounting // Thurston George M. // Bell Telephone Labor Inc | ||||
| PDF File 1921432.pdf | 425 kB | Shaun Ewing | Aug 08, 1933 00:00 |
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US-1921432-A // Constant temperature apparatus // Stallard Burrell // Bell Telephone Labor Inc | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Aug 08, 1933 00:00 | US-1921432-A // Constant temperature apparatus // Stallard Burrell // Bell Telephone Labor Inc | ||||
| PDF File 2042840.pdf | 425 kB | Shaun Ewing | Jun 02, 1936 00:00 |
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US-2042840-A // Storage battery // Haring Horace E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Jun 02, 1936 00:00 | US-2042840-A // Storage battery // Haring Horace E. // Bell Telephone Labor Inc | ||||
| PDF File 1795498.pdf | 425 kB | Shaun Ewing | Mar 10, 1931 00:00 |
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US-1795498-A // Electromagnetic device // Mathison David W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Mar 10, 1931 00:00 | US-1795498-A // Electromagnetic device // Mathison David W. // Bell Telephone Labor Inc | ||||
| PDF File 1925690.pdf | 425 kB | Shaun Ewing | Sept 05, 1933 00:00 |
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US-1925690-A // Sound picture system // Elmer Lloyd A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Sept 05, 1933 00:00 | US-1925690-A // Sound picture system // Elmer Lloyd A. // Bell Telephone Labor Inc | ||||
| PDF File 1957487.pdf | 425 kB | Shaun Ewing | May 08, 1934 00:00 |
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US-1957487-A // Multicore cable with thermoplastic insulation // Buckley Oliver E. ; Malm Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 425 kB | Shaun Ewing | May 08, 1934 00:00 | US-1957487-A // Multicore cable with thermoplastic insulation // Buckley Oliver E. ; Malm Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2216541.pdf | 424 kB | Shaun Ewing | Oct 01, 1940 00:00 |
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US-2216541-A // Wave filter // Och Henry G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Oct 01, 1940 00:00 | US-2216541-A // Wave filter // Och Henry G. // Bell Telephone Labor Inc | ||||
| PDF File 2113215.pdf | 424 kB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2113215-A // Cross-bar switch // Magrath Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Apr 05, 1938 00:00 | US-2113215-A // Cross-bar switch // Magrath Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 2150386.pdf | 424 kB | Shaun Ewing | Mar 14, 1939 00:00 |
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US-2150386-A // Harmonic producer // Manley Jack M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Mar 14, 1939 00:00 | US-2150386-A // Harmonic producer // Manley Jack M. // Bell Telephone Labor Inc | ||||
| PDF File 2017633.pdf | 424 kB | Shaun Ewing | Oct 15, 1935 00:00 |
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US-2017633-A // Record display device // Mottram Elliott T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Oct 15, 1935 00:00 | US-2017633-A // Record display device // Mottram Elliott T. // Bell Telephone Labor Inc | ||||
| PDF File 1987963.pdf | 424 kB | Shaun Ewing | Jan 15, 1935 00:00 |
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US-1987963-A // Machine for jointing the insulation of cable cores // Malm Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Jan 15, 1935 00:00 | US-1987963-A // Machine for jointing the insulation of cable cores // Malm Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2006433.pdf | 423 kB | Shaun Ewing | Jul 02, 1935 00:00 |
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US-2006433-A // Coin collecting apparatus // Bierstedt Gustav C. ; Mills Percy E. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 423 kB | Shaun Ewing | Jul 02, 1935 00:00 | US-2006433-A // Coin collecting apparatus // Bierstedt Gustav C. ; Mills Percy E. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1944209.pdf | 423 kB | Shaun Ewing | Jan 23, 1934 00:00 |
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US-1944209-A // Transmission network // Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 423 kB | Shaun Ewing | Jan 23, 1934 00:00 | US-1944209-A // Transmission network // Bode Hendrik W. // Bell Telephone Labor Inc |
