Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353689 | Heating arrangement for revolving bodies whose diameter varies during production thereof by build-up welding | Jurgen Herm, Heinz Krakow, Ernst Wortmann, deceased, Harald Tomsen | 1982-10-12 |