Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798759 | Multi-layer polyester film for magnetic tape | Hartmut Hensel, Werner Schafer | 1989-01-17 |
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Hermann Dallman
Overall (All Time): #3,919,269 of 4,157,543Top 95%
1
Patents All Time