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, Heimo J. Langer | 1989-12-05 |
| 4876294 | Foundry binder systems based upon acrylated epoxy resins and epoxy resins | H. Randall Shriver, Bruce A. Gruber | 1989-10-24 |