Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5388975 | Apparatus for continuously manufacturing sandwich elements | Ferdinand Proksa, Hans-Michael Sulzbach, Reiner Raffel | 1995-02-14 |
| 5264167 | Process and apparatus for continuously manufacturing sandwich elements | Ferdinand Proksa, Hans-Michael Sulzbach, Reiner Raffel | 1993-11-23 |