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Patent applications and USPTO patent grants for Shen; Chi-Ching.The latest application filed is for "dental floss holder".
Patent | Date |
---|---|
Dental floss holder Grant 7,201,173 - Shen , et al. April 10, 2 | 2007-04-10 |
Dental floss holder App 20050247328 - Shen, Chung-Shan ;   et al. | 2005-11-10 |
Switch device for door App 20050062293 - Shen, Chung-Shan ;   et al. | 2005-03-24 |
Timing lock device for a faucet Grant 6,739,572 - Shen , et al. May 25, 2 | 2004-05-25 |
Timing lock device for a faucet App 20040011978 - Shen, Chung-Shan ;   et al. | 2004-01-22 |
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