Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148122 | SCR catalyst for removing nitrogen oxides and method for producing same | Sang Ek Lee, Do-yun Kim, Hyun-Soo Kim, Mong Kyu Chung, Chan Do Park | 2021-10-19 |
| D796932 | Retractable knife | — | 2017-09-12 |
| 7990019 | Flat motor having a dual air gap | — | 2011-08-02 |
| 5982072 | Electric motor having a plurality of brushes and commutators | — | 1999-11-09 |