Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683550 | Method and apparatus for increasing recovery boiler capacity by withdrawing combustible gas from the furnace | — | 1997-11-04 |
| 5620562 | Dissolved solids control in pulp production | Bruno Marcoccia, J. Robert Prough, Richard O. Laakso, Joseph R. Phillips, Jan T. Richardsen +1 more | 1997-04-15 |