Tsai; Chih-I
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsai; Chih-I.The latest application filed is for "dental handpiece structure".
- Tsai; Chih-I - New Taipei City TW
- Tsai; Chih-I - Xinzhuang City TW
- Tsai; Chih-I - Xin-Zhuang Taipei Xian TW
- Tsai; Chih-I - Taipei Xian TW
| Patent | Date |
|---|---|
| Dental Handpiece Structure App 20220296338 - Tsai; Chih-I | 2022-09-22 |
| Ultrasonic scaler App 20090047624 - Tsai; Chih-I | 2009-02-19 |
| Water guiding mechanism of teeth cleaning machine Grant 7,175,431 - Tsai February 13, 2 | 2007-02-13 |
| Water guiding mechanism of teeth cleaning machine App 20060147878 - Tsai; Chih-I | 2006-07-06 |
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