Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586556 | Guide ring for bottom pour ingot mould system | Richard P. Eisenbrei | 1986-05-06 |
| 4512544 | Bottom pour ingot mould system | Richard P. Eisenbrei, James E. Nixon | 1985-04-23 |