Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341833 | Forgery-resistant film | Helmut Schafer | 1982-07-27 |
MU
Manfred Unger
Overall (1982): #43,414 of 81,411Top 55%
1
Patents 1982