Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9875868 | Locking device for high-voltage switchgear | Daniel-Jun Cheng, James Li, Jianmei Wang, Markus Widenhorn | 2018-01-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9875868 | Locking device for high-voltage switchgear | Daniel-Jun Cheng, James Li, Jianmei Wang, Markus Widenhorn | 2018-01-23 |