Chao; Ying-Chin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chao; Ying-Chin.The latest application filed is for "structure of screw".
- Chao; Ying-Chin - Kaohsiung N/A TW
- CHAO; YING-CHIN - Kaohsiung City TW
- CHAO; Ying-Chin - Yen Chao Hsiang TW
| Patent | Date |
|---|---|
| Structure of screw Grant 10,724,571 - Chao | 2020-07-28 |
| Structure of screw Grant 10,690,173 - Chao | 2020-06-23 |
| Structure Of Screw App 20190360515 - CHAO; YING-CHIN | 2019-11-28 |
| Screw chip removal structure Grant 10,480,561 - Chao Nov | 2019-11-19 |
| Screw Grant D863,050 - Chao Oc | 2019-10-15 |
| Structure Of Screw App 20180335074 - Chao; Ying-Chin | 2018-11-22 |
| Structure Of Screw App 20180335075 - Chao; Ying-Chin | 2018-11-22 |
| Structure Of Screw App 20180328399 - Chao; Ying-Chin | 2018-11-15 |
| Screw Chip Removal Structure App 20180231046 - Chao; Ying-Chin | 2018-08-16 |
| Structure Of Self-drilling Screw App 20180209466 - Chao; Ying-Chin | 2018-07-26 |
| Structure Of Screw App 20180156258 - CHAO; YING-CHIN | 2018-06-07 |
| Structure Of Screw App 20180073547 - Chao; Ying-Chin | 2018-03-15 |
| Method For Manufacturing Screw With Helical Chip Discharge Channel And Product Thereof App 20110044785 - CHAO; Ying-Chin | 2011-02-24 |
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