Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606884 | Method and apparatus for producing helically-wound lock-seam tubing with reduced lubrication | Conny Pettersson | 1997-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606884 | Method and apparatus for producing helically-wound lock-seam tubing with reduced lubrication | Conny Pettersson | 1997-03-04 |