Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520460 | Refiner disk sensor and sensor refiner disk | Ola M. Johansson | 2009-04-21 |
| 6892973 | Refiner disk sensor and sensor refiner disk | Ola M. Johansson | 2005-05-17 |
| 6502774 | Refiner disk sensor and sensor refiner disk | Ola M. Johansson | 2003-01-07 |