Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6086122 | Connection of a frame of a grille for special vehicles such as armored vehicles with profiled panels of the grille | Gunter Dieterich, Dipl.-Ing. Karlheinz Piel, Michael Schulz | 2000-07-11 |
| 5803212 | Grating system | Paul-Werner Reinehr, Gunter Dieterich, Karlheinz Piel, Dirk Fenger | 1998-09-08 |
| 5332054 | Connection of frame parts with profiled panels in gratings | Gunter Dieterich, Karlheinz Piel, Paul-Werner Reinehr | 1994-07-26 |