Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9862136 | Method and apparatus for spirally winding a thermoplastic profile in the manufacture of welded plastic tubes | Kari Karjalainen, Johan Portman, Sven Sjöberg | 2018-01-09 |