Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10139174 | Slide cover plate assemblies for semi-automatic pistols | David Hyung Chin | 2018-11-27 |
| 10054394 | Retractable buttstock for firearms | Yi Huei Jen, David Hyung Chin | 2018-08-21 |