Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4979681 | Process for grinding and simultaneous drying of moist cellulose ether products | Reinhard Donges, Manfred Sponheimer, Manfred Ziegelmayer | 1990-12-25 |
GW
Gunther Welt
Overall (All Time): #3,917,860 of 4,157,543Top 95%
1
Patents All Time