Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6073774 | Pressurized deinking module with vent line | Michael P. McKenzie | 2000-06-13 |
| 5840156 | Froth flotation process for deinking wastepaper using multiflow pressurized deinking module | David B. Grimes | 1998-11-24 |
| 5804061 | Multiflow pressurized deinking apparatus | David B. Grimes | 1998-09-08 |