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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1921022.pdf | 333 kB | Shaun Ewing | Aug 08, 1933 00:00 |
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US-1921022-A // Submarine cable signaling system // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 333 kB | Shaun Ewing | Aug 08, 1933 00:00 | US-1921022-A // Submarine cable signaling system // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 1921004.pdf | 409 kB | Shaun Ewing | Aug 08, 1933 00:00 |
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US-1921004-A // Gaseous discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 409 kB | Shaun Ewing | Aug 08, 1933 00:00 | US-1921004-A // Gaseous discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 1920964.pdf | 580 kB | Shaun Ewing | Aug 08, 1933 00:00 |
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US-1920964-A // Electrodeposition of alloys // Burns Robert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 580 kB | Shaun Ewing | Aug 08, 1933 00:00 | US-1920964-A // Electrodeposition of alloys // Burns Robert M. // Bell Telephone Labor Inc | ||||
| PDF File 1920274.pdf | 1.24 MB | Shaun Ewing | Aug 01, 1933 00:00 |
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US-1920274-A // Wave translating system // Pidgeon Howard A. ; Mcnally James O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Aug 01, 1933 00:00 | US-1920274-A // Wave translating system // Pidgeon Howard A. ; Mcnally James O. // Bell Telephone Labor Inc | ||||
| PDF File 1920238.pdf | 2.17 MB | Shaun Ewing | Aug 01, 1933 00:00 |
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US-1920238-A // Wave translating system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.17 MB | Shaun Ewing | Aug 01, 1933 00:00 | US-1920238-A // Wave translating system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 1919814.pdf | 469 kB | Shaun Ewing | Jul 25, 1933 00:00 |
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US-1919814-A // Electric control system // Trucksess David E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Jul 25, 1933 00:00 | US-1919814-A // Electric control system // Trucksess David E. // Bell Telephone Labor Inc | ||||
| PDF File 1919808.pdf | 581 kB | Shaun Ewing | Jul 25, 1933 00:00 |
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US-1919808-A // Power supply system // Siegmund Humphreys O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 581 kB | Shaun Ewing | Jul 25, 1933 00:00 | US-1919808-A // Power supply system // Siegmund Humphreys O. // Bell Telephone Labor Inc | ||||
| PDF File 1919804.pdf | 793 kB | Shaun Ewing | Jul 25, 1933 00:00 |
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US-1919804-A // Transmission of sound and images // Ryan Francis M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Jul 25, 1933 00:00 | US-1919804-A // Transmission of sound and images // Ryan Francis M. // Bell Telephone Labor Inc | ||||
| PDF File 1919803.pdf | 973 kB | Shaun Ewing | Jul 25, 1933 00:00 |
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US-1919803-A // Measuring and indicating system // Roetken Alfred A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 973 kB | Shaun Ewing | Jul 25, 1933 00:00 | US-1919803-A // Measuring and indicating system // Roetken Alfred A. // Bell Telephone Labor Inc | ||||
| PDF File 1919799.pdf | 319 kB | Shaun Ewing | Jul 25, 1933 00:00 |
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US-1919799-A // Telephone pay station receptacle // Melick John M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 319 kB | Shaun Ewing | Jul 25, 1933 00:00 | US-1919799-A // Telephone pay station receptacle // Melick John M. // 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 1919795.pdf | 527 kB | Shaun Ewing | Jul 25, 1933 00:00 |
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US-1919795-A // Subharmonic frequency producer // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 527 kB | Shaun Ewing | Jul 25, 1933 00:00 | US-1919795-A // Subharmonic frequency producer // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1919046.pdf | 891 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1919046-A // Selective calling circuits // Scriven Edward O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 891 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1919046-A // Selective calling circuits // Scriven Edward O. // Bell Telephone Labor Inc | ||||
| PDF File 1919039.pdf | 639 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1919039-A // Switching device // Ritchie George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 639 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1919039-A // Switching device // Ritchie George A. // Bell Telephone Labor Inc | ||||
| PDF File 1919035.pdf | 766 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1919035-A // Carrier telegraph interference suppressor // Phelps Walter A. ; Koerner Allan M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 766 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1919035-A // Carrier telegraph interference suppressor // Phelps Walter A. ; Koerner Allan M. // Bell Telephone Labor Inc | ||||
| PDF File 1919019.pdf | 804 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1919019-A // Artificial cable and loading coil therefor // Greenidge Ralph M. C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 804 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1919019-A // Artificial cable and loading coil therefor // Greenidge Ralph M. C. // Bell Telephone Labor Inc | ||||
| PDF File 1918977.pdf | 497 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918977-A // Synchronous motor // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 497 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918977-A // Synchronous motor // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1918976.pdf | 315 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918976-A // Piezo-electric crystals // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918976-A // Piezo-electric crystals // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1918972.pdf | 518 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918972-A // Phonograph reproducer // King John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918972-A // Phonograph reproducer // King John H. // Bell Telephone Labor Inc | ||||
| PDF File 1918971.pdf | 214 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918971-A // Insulation compound // Kemp Archie R. ; Ingmanson John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 214 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918971-A // Insulation compound // Kemp Archie R. ; Ingmanson John H. // Bell Telephone Labor Inc |
