Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646578 | Molten metal sampling device | Ken A. Rinkenberg | 1987-03-03 |
| 4643032 | Frangible molten metal sampling device | Ken A. Rinkenberg | 1987-02-17 |
| 4624149 | Sampling tube | Ken A. Rinkenberg | 1986-11-25 |