Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821609 | Extrusion die for making hollow-chamber profiled panels of thermoplastic plastic with interior coextruded layer | Wolfgang Scharnke | 2004-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821609 | Extrusion die for making hollow-chamber profiled panels of thermoplastic plastic with interior coextruded layer | Wolfgang Scharnke | 2004-11-23 |