Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884620 | Hot box process for preparing foundry shapes with certain aqueous phenolic resin solutions | Satish S. Jhaveri, William R. Dunnavant | 1989-12-05 |
| 4847308 | Composition, method for preparing and use thereof | Bruce A. Gruber, William R. Dunnayant | 1989-07-11 |