Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870037 | Prevention of Al.sub.2 O.sub.3 formation in pouring nozzles and the like | Dale B. Hoggard | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870037 | Prevention of Al.sub.2 O.sub.3 formation in pouring nozzles and the like | Dale B. Hoggard | 1989-09-26 |