Chang; Han-Hsiang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Han-Hsiang.The latest application filed is for "screw clamping device".
- Chang; Han-Hsiang - Taoyuan TW
- Chang; Han-Hsiang - Taoyuan CIity TW
- Chang; Han-Hsiang - Taoyuan Hsien TW
| Patent | Date |
|---|---|
| Screw clamping device Grant 10,906,162 - Chang , et al. February 2, 2 | 2021-02-02 |
| Screw Clamping Device App 20190105763 - Chang; Han-Hsiang ; et al. | 2019-04-11 |
| Suitcase With Telescopic Handle Device Capable Of Locating Camera App 20150047939 - Chang; Han-Hsiang | 2015-02-19 |
| Foldable umbrella capable of auto-adjustment of the umbrella cloth Grant 8,220,473 - Chang July 17, 2 | 2012-07-17 |
| Foldable Umbrella Capable Of Auto-adjustment Of The Umbrella Cloth App 20120160285 - Chang; Han-Hsiang | 2012-06-28 |
| Microphone-and-earphone Set With Functions Of Wire Arrangement And Winding App 20120163647 - Chang; Han-Hsiang | 2012-06-28 |
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