Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179958 | Method for continuous cooking of cellulose-containing fibre material | Torbjorn Ulf Olsson, Gunnar Carl Wernqvist | 2001-01-30 |
| 4964301 | Chip level indicator with differential transformer | — | 1990-10-23 |
| 4804912 | Apparatus for electromagnetically measuring the distance between two opposing grinding surfaces | — | 1989-02-14 |