Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161578 | LED retrofit kit for troffer housings | — | 2018-12-25 |
| D679849 | Tunnel light | — | 2013-04-09 |
| D653374 | Street light | — | 2012-01-31 |
| D624685 | Street light | Kyungfan Moon, Byung Il Ham | 2010-09-28 |