Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5089067 | Martensitic stainless steel | — | 1992-02-18 |
| 4946644 | Austenitic stainless steel with improved castability | James A. Daniels | 1990-08-07 |
| 4494988 | Galling and wear resistant steel alloy | Harry Tanczyn | 1985-01-22 |
| 4220689 | Galling resistant austenitic stainless steel powder product | Harry Tanczyn | 1980-09-02 |