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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1903976.pdf | 155 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1903976-A // Process of making concrete // Burns Robert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 155 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903976-A // Process of making concrete // Burns Robert M. // Bell Telephone Labor Inc | ||||
| PDF File 2154068.pdf | 152 kB | Shaun Ewing | Apr 11, 1939 00:00 |
|
US-2154068-A // Electrical contact // Ellis William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 152 kB | Shaun Ewing | Apr 11, 1939 00:00 | US-2154068-A // Electrical contact // Ellis William C. // Bell Telephone Labor Inc | ||||
| PDF File 1818099.pdf | 151 kB | Shaun Ewing | Aug 11, 1931 00:00 |
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US-1818099-A // Drive ring // Rapelje John A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 151 kB | Shaun Ewing | Aug 11, 1931 00:00 | US-1818099-A // Drive ring // Rapelje John A. // Bell Telephone Labor Inc | ||||
| PDF File 1792494.pdf | 145 kB | Shaun Ewing | Feb 17, 1931 00:00 |
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US-1792494-A // Phonographic needle // Harrison Henry C. ; Anderson Harvey A. // Bell Telephone Lab Incorproate | |||
| Version 1 (current) | 145 kB | Shaun Ewing | Feb 17, 1931 00:00 | US-1792494-A // Phonographic needle // Harrison Henry C. ; Anderson Harvey A. // Bell Telephone Lab Incorproate | ||||
| PDF File 1860503.pdf | 142 kB | Shaun Ewing | May 31, 1932 00:00 |
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US-1860503-A // Acoustic diaphragm // Holland Newman H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 142 kB | Shaun Ewing | May 31, 1932 00:00 | US-1860503-A // Acoustic diaphragm // Holland Newman H. // Bell Telephone Labor Inc | ||||
| PDF File 2096045.pdf | 142 kB | Shaun Ewing | Oct 19, 1937 00:00 |
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US-2096045-A // Method of producing pressure equalizing material for cable conductors // Kemp Archie R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 142 kB | Shaun Ewing | Oct 19, 1937 00:00 | US-2096045-A // Method of producing pressure equalizing material for cable conductors // Kemp Archie R. // Bell Telephone Labor Inc | ||||
| PDF File 2143824.pdf | 140 kB | Shaun Ewing | Jan 10, 1939 00:00 |
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US-2143824-A // Asymmetrical conductor // Smith George O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 140 kB | Shaun Ewing | Jan 10, 1939 00:00 | US-2143824-A // Asymmetrical conductor // Smith George O. // Bell Telephone Labor Inc | ||||
| PDF File 2123455.pdf | 140 kB | Shaun Ewing | Jul 12, 1938 00:00 |
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US-2123455-A // Lead welding // Jr. Upton B. Thomas, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 140 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123455-A // Lead welding // Jr. Upton B. Thomas, // Bell Telephone Labor Inc | ||||
| PDF File 1844123.pdf | 137 kB | Shaun Ewing | Feb 09, 1932 00:00 |
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US-1844123-A // Acoustic diaphragm // Holland Newman H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 137 kB | Shaun Ewing | Feb 09, 1932 00:00 | US-1844123-A // Acoustic diaphragm // Holland Newman H. // Bell Telephone Labor Inc | ||||
| PDF File 2093661.pdf | 128 kB | Shaun Ewing | Sept 21, 1937 00:00 |
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US-2093661-A // Asymmetrical conductor // Smith George O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 128 kB | Shaun Ewing | Sept 21, 1937 00:00 | US-2093661-A // Asymmetrical conductor // Smith George O. // Bell Telephone Labor Inc | ||||
| PDF File 1959999.pdf | 125 kB | Shaun Ewing | May 22, 1934 00:00 |
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US-1959999-A // Magnetic materials and heat treatment thereof // Chegwidden Raymond A. ; Greiner Earl S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 125 kB | Shaun Ewing | May 22, 1934 00:00 | US-1959999-A // Magnetic materials and heat treatment thereof // Chegwidden Raymond A. ; Greiner Earl S. // Bell Telephone Labor Inc | ||||
| PDF File 2144872.pdf | 124 kB | Shaun Ewing | Jan 24, 1939 00:00 |
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US-2144872-A // Insulator // Cruser Victor I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 124 kB | Shaun Ewing | Jan 24, 1939 00:00 | US-2144872-A // Insulator // Cruser Victor I. // Bell Telephone Labor Inc | ||||
| PDF File 1812634.pdf | 123 kB | Shaun Ewing | Jun 30, 1931 00:00 |
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US-1812634-A // Sound reproducer // Jones Warren C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 123 kB | Shaun Ewing | Jun 30, 1931 00:00 | US-1812634-A // Sound reproducer // Jones Warren C. // Bell Telephone Labor Inc |
