Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923511 | Tungsten carbide hardfacing powders and compositions thereof for plasma-transferred-arc deposition | James A. Krizan | 1990-05-08 |
| 4810464 | Iron-base hard surfacing alloy system | Richard O. Drossman | 1989-03-07 |