Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835870 | Device for measuring the distances and directions of destinations on road maps | Hans Rauch, Norbert Stepper | 1989-06-06 |
EO
Eva Osterkamp
Overall (1989): #115,765 of 140,708Top 85%
1
Patents 1989