Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894175 | Crude oil with a depressed pour point | Gotz Koerner, Dietmar Schaefer, Roland Berger, Hans-Ferdi Fink | 1990-01-16 |
| 4434008 | Substantive preparation material for yarns or plied yarns | G/o/ tz Koerner, Manfred Krakenberg, Hans Rott, G/u/ nter Schmidt | 1984-02-28 |