Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828622 | Process for preparing highly concentrated aqueous press cakes of solids | Erwin Dietz, Reinhold Deubel | 1989-05-09 |
JW
Joachim Weide
Overall (1989): #92,219 of 140,708Top 70%
1
Patents 1989