Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886638 | Method for producing metal carbide grade powders | Joseph J. Penkunas, Jack Burwick | 1989-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886638 | Method for producing metal carbide grade powders | Joseph J. Penkunas, Jack Burwick | 1989-12-12 |