Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635123 | Biocomposite material and method of making | Michael J. Riebel, Paul Torgusen, Kenneth D. Roos, Carl Gruber | 1997-06-03 |
| 5611882 | Board stock and method of manufacture from recycled paper | Michael J. Riebel, Carl Gruber, Paul Torgusen, Robert DeGezelle, Molly DeGezelle | 1997-03-18 |
| 5593625 | Biocomposite material and method of making | Michael J. Riebel, Paul Torgusen, Kenneth D. Roos, Carl Gruber | 1997-01-14 |