Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688368 | Method for cooling and ozone bleaching wood pulp | — | 1997-11-18 |
| 5683582 | Air inflow restrictor for vacuum filters | — | 1997-11-04 |
| 5667642 | Pulp slurry-handling press roll and twin and single roll slurry handling presses | — | 1997-09-16 |
| 5626297 | Wood pulp ozone bleaching contactor | Lawrence A. Carlsmith, A. Sean Vote, Anthony G. Abdulmassih | 1997-05-06 |