Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330537 | Leather treatment selected amphiphilic copolymer | Thomas Stewart, Patricia M. Lekso | 1994-07-19 |
| 5316860 | Leather treatment selected amphiphilic copolymers | Thomas Stewart, Patricia Marie Lesko | 1994-05-31 |