Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374487 | Compatible polymeric mixtures | Werner Siol, Thomas Sufke, Erwin Felger, Klaus Frank | 1994-12-20 |
| 5342691 | Polyester-polycarbonate substrate coated with UV protecting layer | Werner Siol | 1994-08-30 |