Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888982 | Method and apparatus for evaluating the hardening of chemically bonded foundry sand molds and cores | Richard E. Simmons | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888982 | Method and apparatus for evaluating the hardening of chemically bonded foundry sand molds and cores | Richard E. Simmons | 1989-12-26 |