Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485582 | Advanced case carburizing secondary hardening steels | Charles J. Kuehmann, John P. Wise, Carelyn Campbell | 2002-11-26 |
| 6464801 | Advanced case carburizing secondary hardening steels | Charles J. Kuehmann, John P. Wise, Carelyn Campbell | 2002-10-15 |
| 6458220 | Case hardened steel blades for sports equipment and method of manufacture | Charles J. Kuehmann, Priscilla A. Bernikowicz, John P. Wise, Carelyn Campbell | 2002-10-01 |
| 6176946 | Advanced case carburizing secondary hardening steels | Charles J. Kuehmann, John P. Wise, Carelyn Campbell | 2001-01-23 |
| 5221372 | Fracture-tough, high hardness stainless steel and method of making same | — | 1993-06-22 |
| 4836869 | Hydrogen-resistant high-strength steels and the method for the manufacture thereof | John F. Watton, Morris Cohen | 1989-06-06 |