Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328500 | Method for producing metal powders | Robert J. Beltz, Melvin L. McClellan | 1994-07-12 |
| 4705565 | High speed steel sintering powder made from reclaimed grinding sludge and objects sintered therefrom | Robert J. Beltz | 1987-11-10 |