Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080015 | Method and arrangement for cleaning guide rollers | Birger Hansson | 1992-01-14 |
| 5038681 | Control method and apparatus for spray dampener | Birger Hansson | 1991-08-13 |
| 4873925 | Spray nozzle and valve assembly | Birger Hansson | 1989-10-17 |