Chang; Shen-Wei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Shen-Wei.The latest application filed is for "compass device".
- Chang; Shen-Wei - Taichung TW
- CHANG; Shen-Wei - Taichung City TW
- Chang; Shen-Wei - Taichung County TW
- Chang; Shen-Wei - Taichung Hsien TW
- Chang; Shen-Wei - Chien-Chun Tsun Wu-Jih Hsiang TW
| Patent | Date |
|---|---|
| Compass device Grant 11,041,721 - Chang , et al. June 22, 2 | 2021-06-22 |
| Compass Device App 20210055106 - CHANG; Chiao-Hu ; et al. | 2021-02-25 |
| Multifunction measuring device Grant 8,640,351 - Chang February 4, 2 | 2014-02-04 |
| Multifunction Measuring Device App 20130160311 - Chang; Shen-Wei | 2013-06-27 |
| Measuring instrument Grant D679,612 - Chang April 9, 2 | 2013-04-09 |
| Compass Grant D674,296 - Chang January 15, 2 | 2013-01-15 |
| Compass Grant D661,604 - Chang June 12, 2 | 2012-06-12 |
| Combined compass and casing Grant D658,521 - Chang May 1, 2 | 2012-05-01 |
| Card-holding Case With A Dispensing Hole App 20080142540 - Chang; Shen-Wei | 2008-06-19 |
| Name card holder Grant D547,062 - Chang July 24, 2 | 2007-07-24 |
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