Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889756 | Sheet-like, multilayer, laser-optical recording material | Helmut Barzynski, Karl Hellwig, Christof Taubitz | 1989-12-26 |
HB
Heidi Benthack-Thomas
Overall (All Time): #3,944,260 of 4,157,543Top 95%
1
Patents All Time