Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975143 | Method for manufacturing a corrugated pipe, and a corrugated pipe manufactured by the method | Jyri Jarvenkyla, Björn Olsson, Dieter Scharwachter | 1999-11-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975143 | Method for manufacturing a corrugated pipe, and a corrugated pipe manufactured by the method | Jyri Jarvenkyla, Björn Olsson, Dieter Scharwachter | 1999-11-02 |