Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351454 | Self-supporting facade component in sandwich construction | Johann-Dietrich Worner | 1994-10-04 |
HH
Helfried Hahne
Overall (1994): #39,435 of 165,921Top 25%
1
Patents 1994