Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876294 | Foundry binder systems based upon acrylated epoxy resins and epoxy resins | H. Randall Shriver, William R. Dunnavant | 1989-10-24 |
| 4847308 | Composition, method for preparing and use thereof | Heimo J. Langer, William R. Dunnayant | 1989-07-11 |