Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792937 | Miniature patio heater | Sung Boo Yoon | 2004-09-21 |
| 6742814 | Miniature patio heater | Sung Boo Yoon | 2004-06-01 |
| 6619281 | Miniature patio heater | S. B. Yoon | 2003-09-16 |
| 6446623 | Miniature patio heater | Sung Boo Yoon | 2002-09-10 |
| D447796 | Miniature patio heater base | S. B. Yoon | 2001-09-11 |
| D445889 | Miniature patio heater shroud | S. B. Yoon | 2001-07-31 |