Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4531892 | Apparatus for pumping of pulp | Alf I. Lindstrom | 1985-07-30 |
| 4451332 | Method for delignification of ligno-cellulose containing fiber material with an alkali-oxygen extraction stage | Goran E. Annergren, Tjell-Ake Hagglund, Per-Olov Lindblad, Lars-Ake Lindstrom | 1984-05-29 |
| 4416548 | Apparatus for gas or liquid admixture | Olof G. Carre, Paul W. Josefsson, Stig B. H. Zetterqvist | 1983-11-22 |