Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5849365 | Method for the production and repair of multicoat special-effect coating | Heinz Topfel, Ewald Bischoff, Harry Libutzki, Jorge Wellmann, Hans-Joachim Streitberger | 1998-12-15 |
| 5820986 | Method for the production and repair of multicoat special-effect coatings | Heinz Topfel, Ewald Bischoff, Harry Libutzki, Jorge Wellmann, Hans-Joachim Streitberger | 1998-10-13 |