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Patent applications and USPTO patent grants for Warren; Nigel David.The latest application filed is for "cigarette monitoring".
Patent | Date |
---|---|
Tobacco smoke filter elements Grant 7,249,605 - MacAdam , et al. July 31, 2 | 2007-07-31 |
Cigarette monitoring Grant 7,100,420 - Read , et al. September 5, 2 | 2006-09-05 |
Cigarette monitoring App 20040177674 - Read, Graham Albert ;   et al. | 2004-09-16 |
Tobacco smoke filter elements App 20040074507 - MacAdam, Kevin Gerard ;   et al. | 2004-04-22 |
Tobacco smoke filter elements Grant 6,631,722 - MacAdam , et al. October 14, 2 | 2003-10-14 |
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