Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767458 | Wood preservative composition and use thereof | Frank Moewius, Manfred Meisel, Herbert Grunze, Lothar Kolditz, Marina Zeibig +5 more | 1988-08-30 |
| 4205997 | Powdery pearlescent pigment compositions | Hans Pratzer, Manfred Kieser, Gerhard Edler | 1980-06-03 |