Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652047 | Binder resins for the preparation of fiber composites | Wolfgang Hesse, Richard Sattelmeyer, Ralph Schaefer | 1997-07-29 |
| 5591509 | Ski containing sheetlike plates or tapes made of a fiber reinforced material | Georg Lorenz, Walter Fester, Ulrich Schuster, Ralph Sch afer | 1997-01-07 |