Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974659 | Cold box process for preparing foundry shapes which use acrylated epoxy resins | H. Randall Shriver, Bruce A. Gruber | 1990-12-04 |
| 4847308 | Composition, method for preparing and use thereof | Bruce A. Gruber, Heimo J. Langer | 1989-07-11 |
| 4780526 | Composition, method for preparing and use thereof | Bruce A. Gruber, Heimo J. Langer | 1988-10-25 |
| 4636537 | Composition, method for preparing and use thereof | Bruce A. Gruber, Heimo J. Langer | 1987-01-13 |