Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605174 | Device for conveying thick substances containing a great deal of solid material | Karl Schlecht, Axel Rockstroh | 1997-02-25 |
| 5591509 | Ski containing sheetlike plates or tapes made of a fiber reinforced material | Georg Lorenz, Walter Fester, Erhard Leicht, Ralph Sch afer | 1997-01-07 |