Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181528 | Apparatus for extinguishing a lighted cigarette | Hsing-Yu Chen, Horng-Show Koo, Li-Chi Chang | 1993-01-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181528 | Apparatus for extinguishing a lighted cigarette | Hsing-Yu Chen, Horng-Show Koo, Li-Chi Chang | 1993-01-26 |