Chang; Yao Ling
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Yao Ling.The latest application filed is for "parallel light grating device".
- Chang; Yao Ling - Tainan N/A TW
- Chang; Yao Ling - Tainan City TW
| Patent | Date |
|---|---|
| Hanging rod control device for display rack Grant 10,755,516 - Chang , et al. A | 2020-08-25 |
| Crane or hanger-type cargo lane device Grant 10,521,995 - Chang , et al. Dec | 2019-12-31 |
| parallel light grating device App 20190172294 - Chang; Ti Chin ; et al. | 2019-06-06 |
| hanging rod control device for display rack App 20190164378 - Chang; Ti Chin ; et al. | 2019-05-30 |
| Crane or hanger-type cargo lane device App 20190164379 - Chang; Ti Chin ; et al. | 2019-05-30 |
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