Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5582684 | Method of determining degree of reduction in a sulfate liquor using IR and UV spectroscopy | Torbjorn Jonsson | 1996-12-10 |
| 4467843 | Method of operating a metering apparatus for liquid | Erling Berglund, Goran Hogberg | 1984-08-28 |