Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803212 | Grating system | Gunter Dieterich, Hans-Werner Schulte, Karlheinz Piel, Dirk Fenger | 1998-09-08 |
| 5332054 | Connection of frame parts with profiled panels in gratings | Gunter Dieterich, Karlheinz Piel, Hans-Werner Schulte | 1994-07-26 |