Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583857 | Apparatus for automatic optical property testing | Hans-Udo Pietruschka | 1986-04-22 |
MG
Michael Grammerstorff
Overall (All Time): #3,994,249 of 4,157,543Top 100%
1
Patents All Time