Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10321250 | Apparatus and method for controlling sound in vehicle | — | 2019-06-11 |
| 10203132 | Water heater system | Chul Hee Cho | 2019-02-12 |
| 10168074 | Turn down ratio (TDR) damper | Chul Hee Cho | 2019-01-01 |