DONWEI MACHINERY IND. CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for DONWEI MACHINERY IND. CO., LTD..The latest application filed is for "circular cutter".
- DONWEI MACHINERY IND. CO., LTD. - Taichung N/A TW
- Donwei Machinery Ind. Co., Ltd. - Taichung City TW
| Patent | Date |
|---|---|
| Circular cutter Grant 10,232,522 - Chang | 2019-03-19 |
| Circular Cutter App 20190061189 - CHANG; Pi-Chao | 2019-02-28 |
| Fabric Folding Machine App 20170347732 - Chang; Pi-chao | 2017-12-07 |
| Fabric folding machine Grant 9,833,030 - Chang December 5, 2 | 2017-12-05 |
| Knitting loom Grant 9,234,306 - Chang January 12, 2 | 2016-01-12 |
| Knife Sharpening Device For Circular Knife App 20150375353 - CHANG; Pi-chao | 2015-12-31 |
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