Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228929 | Thermochemical treatment of machinery components for improved corrosion resistance | Michel Korwin | 1993-07-20 |
| 4391654 | Method of thermo-chemical treatment of cutting tools and plastic working tools | Jerzy Wyszkowski, Stanislaw Koprek, Andzei Piechal | 1983-07-05 |