Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589391 | Top separator with intraseal for digester vessel in a pulp or fiber processing system | John Bolles, C. Bertil Stromberg | 2003-07-08 |
| 6582554 | Continuous digester having a sectioned top separator with multiple liquor extraction ports | Kaj Henricson, C. Bertil Stromberg, Richard O. Laakso, John Bolles, Patrick Sullivan | 2003-06-24 |