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Patent applications and USPTO patent grants for Tsui; Wai Keung.The latest application filed is for "dispensers and applicator heads therefor".
Patent | Date |
---|---|
Dispensers and applicator heads therefor Grant 9,706,832 - Price , et al. July 18, 2 | 2017-07-18 |
Dispensers and Applicator Heads Therefor App 20140064821 - PRICE; Amy Marie ;   et al. | 2014-03-06 |
Mechanical drive coupling Grant D568,348 - Tsui May 6, 2 | 2008-05-06 |
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