Chang; Wang Lee Chen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Wang Lee Chen.The latest application filed is for "photochromic composite lens".
- Chang; Wang Lee Chen - Rende Township TW
- Chang; Wang Lee Chen - Rende Township, Tainan County N/A TW
| Patent | Date |
|---|---|
| Photochromic Composite Lens App 20150049303 - Chang; Wang Lee Chen ; et al. | 2015-02-19 |
| Eyeglass frame securement apparatus Grant 8,820,920 - Chang September 2, 2 | 2014-09-02 |
| Eyeglass Frame Securement Apparatus App 20140111762 - Chang; Wang Lee Chen | 2014-04-24 |
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