Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626297 | Wood pulp ozone bleaching contactor | Lawrence A. Carlsmith, A. Sean Vote, Oscar Luthi | 1997-05-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626297 | Wood pulp ozone bleaching contactor | Lawrence A. Carlsmith, A. Sean Vote, Oscar Luthi | 1997-05-06 |