Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11079788 | Trigger device and handheld pistol grip using thereof | Chih-Cheng Hsu, Wei-Fan Chien | 2021-08-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11079788 | Trigger device and handheld pistol grip using thereof | Chih-Cheng Hsu, Wei-Fan Chien | 2021-08-03 |