Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476824 | Mechanical control element having wear-resistant surface | Friedhelm Reinke | 1984-10-16 |
| 4194728 | Apparatus for the inductive hardening by quenching of bearing surfaces of a crankshaft | Edgar Stengel | 1980-03-25 |