Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635025 | Digester system containing a single vessel serving as all of a chip bin, steaming vessel, and chip chute | — | 1997-06-03 |
| 5617975 | Chip feed system | Jerry R. Johanson, Mark D. Barrett, John Pietrangelo | 1997-04-08 |