Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671740 | Ceramic coated abrasion resistant member and process for making | Dean A. Rulis | 1987-06-09 |
| 4554195 | Ceramic coated abrasion resistant member and process for making | Dean A. Rulis | 1985-11-19 |