Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5034097 | Epoxidized polyamide wet strength resins containing lecithin | Thomas F. Duncan | 1991-07-23 |
| 4970250 | Epoxidized polyamide wet strength resin containing lecithin | Thomas F. Duncan | 1990-11-13 |