Li; Jen-Kai
Patent Applications and Registrations
Patent applications and USPTO patent grants for Li; Jen-Kai.The latest application filed is for "ratchet device".
- Li; Jen-Kai - Taichung N/A TW
- Li; Jen-Kai - Taichung City TW
| Patent | Date |
|---|---|
| Ratchet device Grant 11,000,938 - Li May 11, 2 | 2021-05-11 |
| Ratchet Device App 20190329383 - Li; Jen-Kai | 2019-10-31 |
| Slide Handle App 20190321962 - Li; Jen-Kai | 2019-10-24 |
| Socket wrench with positioning device Grant 9,038,506 - Huang , et al. May 26, 2 | 2015-05-26 |
| Retractable handle for hand tools App 20070151427 - Chen; Shih-Kun ; et al. | 2007-07-05 |
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