Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12058808 | Printed circuit board, communications device, and manufacturing method | Wenliang Li, Zewen Wang, Xusheng Liu, Ertang Xie, Wang XIONG | 2024-08-06 |
| 11015717 | Automatic back-pressure valve for use in supercritical fluid chromatographic system | Jie Liu, Yan Zhang, Zhiling LI | 2021-05-25 |
| 6140778 | Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like | David A. Pringle, David McDonald, George C. Johnson | 2000-10-31 |
| 5982112 | Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like | David A. Pringle, David McDonald, George C. Johnson | 1999-11-09 |
| 5150012 | Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like | David A. Pringle, David McDonald | 1992-09-22 |