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Patent applications and USPTO patent grants for Chen; Wan-Tzu.The latest application filed is for "method and apparatus for protection of soft tissues against a teeth whitening substance".
Patent | Date |
---|---|
Method and apparatus for protection of soft tissues against a teeth whitening substance Grant 10,631,965 - Jeanne , et al. | 2020-04-28 |
Method And Apparatus For Protection Of Soft Tissues Against A Teeth Whitening Substance App 20190290413 - JEANNE; Vincent ;   et al. | 2019-09-26 |
Smart lighting control system Grant 8,880,199 - Wei , et al. November 4, 2 | 2014-11-04 |
Smart Lighting Control System App 20130073058 - Wei; Chao-Huang ;   et al. | 2013-03-21 |
Cell concentration and pathogen recovery Grant 7,547,526 - Ladisch , et al. June 16, 2 | 2009-06-16 |
Cell concentration and pathogen recovery App 20050244943 - Ladisch, Michael R. ;   et al. | 2005-11-03 |
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