Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873698 | Induction furnace crucible | — | 1989-10-10 |
RB
Roger Boen
Overall (1989): #64,517 of 140,708Top 50%
1
Patents 1989