Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5388814 | Device for hydraulic expansion | Helmut Riemscheid, Herbert Frielingsdorf, Heribert Grewe, Karl Weiss, Rudolf Schulze +2 more | 1995-02-14 |
| 5054756 | Device for hydraulic expansion | Helmut Riemscheid, Herbert Frielingsdorf, Heribert Grewe, Karl Weiss, Rudolf Schulze +2 more | 1991-10-08 |