Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9200869 | Composite optical device for sighting targets and measuring distances | Dong Won Yang, Dong Min Kwak, Joo Hong Yoon | 2015-12-01 |
| 7499829 | Laser rangefinder and method thereof | Seok Hwan Lee, Jae-Young Lee, Ki-Choul Nam, Geun-Sik Yoo | 2009-03-03 |