Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319848 | Variable valve for muffler and dual muffler having the same | — | 2022-05-03 |
| 9828898 | Optimized structure for integrated catalytic muffler | Jong Seung Won, Hyun Wook Kim | 2017-11-28 |
| 7313888 | Device for and method of preventing rattling of door window glass for vehicles | — | 2008-01-01 |