Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798458 | Anomaloscope | Hartmut Gehrung, Rainer Kirchhuebel | 1989-01-17 |
HK
Hermanm Krastel
Overall (1989): #106,652 of 140,708Top 80%
1
Patents 1989