Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737299 | Lubricating greases for high operating temperatures | Hans-Dieter Grasshoff | 1988-04-12 |
HM
Herbert Maak
Overall (All Time): #3,949,973 of 4,157,543Top 100%
1
Patents All Time