Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811631 | Shifting method for hydrodynamic-mechanical transmission | Ernst-August Honig, Lothar Kaspar, Manfred Kalversberg, Gerd Oberpichler, Dieter Schmidt | 1989-03-14 |
GH
Gottfried Hagemann
Overall (1989): #38,722 of 140,708Top 30%
1
Patents 1989