Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8055478 | Maintenance minder for forced air heater | Kyu Sam Hwang | 2011-11-08 |
| 8042784 | Mounting frame for portable equipment | Kyu Sam Hwang | 2011-10-25 |
| 6843244 | Portable heater | Sung-Geun Lee, Sung Boo Yoon | 2005-01-18 |