Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333866 | Adaptor lens for increasing magnification of scope and sight comprising the same | Sang-Ik Lee, KeeUk JEON | 2022-05-17 |
| 8625211 | Variable magnification device and telescopic sight using the same | — | 2014-01-07 |