Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609382 | Solids concentrate which contains abrasive solids and causes little wear | Hans-Gerhard Fritz, Eberhard Grunschloss, Tomas Riedel, Karl-Heinz Maier | 1986-09-02 |
HS
Helmut Schule
Overall (All Time): #4,001,235 of 4,157,543Top 100%
1
Patents All Time