Shi; Longfei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shi; Longfei.The latest application filed is for "digital light processing projector".
- Shi; Longfei - Shandong CN
- SHI; Longfei - Qingdao Shandong
Trademarks
| Patent | Date |
|---|---|
| Digital light processing projector Grant 11,265,521 - Shi , et al. March 1, 2 | 2022-03-01 |
| Laser module and laser projection device Grant 11,095,090 - Shi , et al. August 17, 2 | 2021-08-17 |
| Digital Light Processing Projector App 20200336712 - SHI; Longfei ; et al. | 2020-10-22 |
| Laser Module And Laser Projection Device App 20190288480 - Shi; Longfei ; et al. | 2019-09-19 |
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