Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822416 | High solids content CB coating | Pat Y. H. Wang, Joseph S. Chaplick | 1989-04-18 |
| 4822769 | High solids content coated back paper | Pat Y. H. Wang, Joseph S. Chaplick | 1989-04-18 |