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