Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8636497 | Extruder screw for a screw extruder | — | 2014-01-28 |
| 6244156 | Method of protecting an object from the effect of a high-speed projectile | Raimar Steuer, Helmut Ertel, Gunter Weihrauch | 2001-06-12 |