Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684080 | Aqueous polymer emulsion | Gerrit Vietje, Pen-Chung Wang | 1997-11-04 |
| 5633299 | Wood composite | Martinus L. Van Druten, Herman P. Ruyter, Aletta A. Ten Hoeve, Gerrit Vietje | 1997-05-27 |