Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771631 | Device for measuring the moisture content and basic weight of paper | Olavi Lehtikoski | 1988-09-20 |
| 4678325 | Apparatus for measuring optical properties of paper | Olavi Lehtikoski | 1987-07-07 |
| 4596152 | Method of measuring tear resistance of paper and apparatus for applying the method | Olavi Lehtikoski | 1986-06-24 |
| 4550613 | Apparatus for automatic determination of the tensile strength properties of a sheet of paper | Olavi Lehtikoski | 1985-11-05 |