Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685325 | Dental floss holder | Kuang-Hsing Wei | 1997-11-11 |
| 5653246 | Dental floss holder | Kuang-Hsing Wei | 1997-08-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685325 | Dental floss holder | Kuang-Hsing Wei | 1997-11-11 |
| 5653246 | Dental floss holder | Kuang-Hsing Wei | 1997-08-05 |