Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098472 | Preservative composition | John B. Watkins, Chen-Woo Chin | 1992-03-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098472 | Preservative composition | John B. Watkins, Chen-Woo Chin | 1992-03-24 |