Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780965 | Method for the thermal cleaning of exhaust gases of a heat treatment apparatus | Karl Grafen, Gerhard Golkowsky | 1988-11-01 |
| 4743889 | Apparatus for monitoring the status or condition of sliding or gliding components | Karl-Heinz Paar | 1988-05-10 |
| 4210050 | Cutting device with rotating cutters | — | 1980-07-01 |