Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6306230 | Process for the production of hardened parts of steel | — | 2001-10-23 |
| 5672217 | Method for producing machine elements of steel | Johann Volkmuth | 1997-09-30 |
| 5261975 | Steel for ball and roller bearings | Per-Olof Sorstrom, Thore Lundh, John Beswick | 1993-11-16 |
| 4913749 | Process for case-hardening rolling bearing elements of low-alloy nickeliferous steel | Gerhard Mend, Ulf Sjoblom, Roger Bjorn | 1990-04-03 |