Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375796 | Method of treating material in a continuous digester | Jay Sheerer, Jerry R. Johanson, John Pietrangelo | 2002-04-23 |
| 6346167 | Dissolved solids control in pulp production | Bruno Marcoccia, J. Robert Prough, Richard O. Laakso, Rolf Ryham, Jan T. Richardsen +1 more | 2002-02-12 |