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Patent applications and USPTO patent grants for Bloomfield; John W..The latest application filed is for "single device to create flame and extinguish flame".
Patent | Date |
---|---|
Single device to create flame and extinguish flame App 20070122758 - Bloomfield; John W. | 2007-05-31 |
Mobile detection system Grant 5,446,445 - Bloomfield , et al. August 29, 1 | 1995-08-29 |
Retrofitting gas mask voice amplifier unit with easily actuated switch means Grant 5,224,473 - Bloomfield July 6, 1 | 1993-07-06 |
Retrofitting gas mask voice amplifier unit with easily actuated switch means Grant 5,224,474 - Bloomfield July 6, 1 | 1993-07-06 |
Platform mounted ultrasonic sweep detection system Grant 5,079,752 - Bloomfield January 7, 1 | 1992-01-07 |
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