Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494988 | Galling and wear resistant steel alloy | William J. Schumacher | 1985-01-22 |
| 4341555 | High strength austenitic stainless steel exhibiting freedom from embrittlement | Joseph A. Douthett | 1982-07-27 |
| 4220689 | Galling resistant austenitic stainless steel powder product | William J. Schumacher | 1980-09-02 |