Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343425 | Process and device for the production of a composite section | Alfred Wagner | 1982-08-10 |
| 4342211 | Process and apparatus for extruding a composite section | Alfred Wagner | 1982-08-03 |