Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318807 | Method and apparatus for drop-sorting of timber | Alpo Rysti | 1982-03-09 |
| 4290722 | Method for using timber sorting compartments and a sorting compartment for said method | Alpo Rysti, Seppo Anttila | 1981-09-22 |