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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1841504.pdf | 602 kB | Shaun Ewing | Jan 19, 1932 00:00 |
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US-1841504-A // Circuit for electric discharge devices // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 602 kB | Shaun Ewing | Jan 19, 1932 00:00 | US-1841504-A // Circuit for electric discharge devices // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 1841489.pdf | 437 kB | Shaun Ewing | Jan 19, 1932 00:00 |
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US-1841489-A // Oscillation generator // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 437 kB | Shaun Ewing | Jan 19, 1932 00:00 | US-1841489-A // Oscillation generator // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1841486.pdf | 406 kB | Shaun Ewing | Jan 19, 1932 00:00 |
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US-1841486-A // Composite metallic strand // Legg Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 406 kB | Shaun Ewing | Jan 19, 1932 00:00 | US-1841486-A // Composite metallic strand // Legg Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 1841472.pdf | 276 kB | Shaun Ewing | Jan 19, 1932 00:00 |
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US-1841472-A // Inductance device // Given Frederick J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 276 kB | Shaun Ewing | Jan 19, 1932 00:00 | US-1841472-A // Inductance device // Given Frederick J. // Bell Telephone Labor Inc | ||||
| PDF File 1841405.pdf | 1.00 MB | Shaun Ewing | Jan 19, 1932 00:00 |
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US-1841405-A // Transmission control circuits // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Jan 19, 1932 00:00 | US-1841405-A // Transmission control circuits // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 1841394.pdf | 758 kB | Shaun Ewing | Jan 19, 1932 00:00 |
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US-1841394-A // Circuit for space discharge devices // Bachelet Albert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 758 kB | Shaun Ewing | Jan 19, 1932 00:00 | US-1841394-A // Circuit for space discharge devices // Bachelet Albert E. // Bell Telephone Labor Inc | ||||
| PDF File 1841197.pdf | 2.49 MB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841197-A // Telephone alarm system // Massonneau Robert F. ; Roberts Thomas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.49 MB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841197-A // Telephone alarm system // Massonneau Robert F. ; Roberts Thomas H. // Bell Telephone Labor Inc | ||||
| PDF File 1841142.pdf | 1.13 MB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841142-A // Wave communication system // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841142-A // Wave communication system // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1841125.pdf | 548 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841125-A // Coin collection apparatus // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 548 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841125-A // Coin collection apparatus // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 1841123.pdf | 1.80 MB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841123-A // Telephone exchange system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.80 MB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841123-A // Telephone exchange system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 1841120.pdf | 332 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841120-A // Slow acting relay // Hibbard Frank H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 332 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841120-A // Slow acting relay // Hibbard Frank H. // Bell Telephone Labor Inc | ||||
| PDF File 1841101.pdf | 479 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841101-A // Loud speaker // Flanders Paul B. ; Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841101-A // Loud speaker // Flanders Paul B. ; Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1841097.pdf | 516 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841097-A // Heat treatment of conductors // Elmen Gustaf W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841097-A // Heat treatment of conductors // Elmen Gustaf W. // Bell Telephone Labor Inc | ||||
| PDF File 1841093.pdf | 2.66 MB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841093-A // Call distributing system // Dahl Jack F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.66 MB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841093-A // Call distributing system // Dahl Jack F. // Bell Telephone Labor Inc | ||||
| PDF File 1841088.pdf | 651 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841088-A // Electrical testing system and method // Christopher Arthur J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 651 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841088-A // Electrical testing system and method // Christopher Arthur J. // Bell Telephone Labor Inc | ||||
| PDF File 1841085.pdf | 695 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841085-A // Unidirectional antenna system // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 695 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841085-A // Unidirectional antenna system // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 1841084.pdf | 996 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841084-A // Telephone system // Bragg Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 996 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841084-A // Telephone system // Bragg Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1840580.pdf | 314 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1840580-A // Crystal-controlled oscillator // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 314 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1840580-A // Crystal-controlled oscillator // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 1840376.pdf | 490 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1840376-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1840376-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | ||||
| PDF File 1840368.pdf | 351 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1840368-A // Telephone exchange system // Porter Leslie F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 351 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1840368-A // Telephone exchange system // Porter Leslie F. // Bell Telephone Labor Inc |
