Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364882 | Process and an apparatus for the extrusion of plastic pipes with composite walls | — | 1982-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364882 | Process and an apparatus for the extrusion of plastic pipes with composite walls | — | 1982-12-21 |