Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929470 | Method of making decorative cast-coated paper | David A. Rittenhouse, Doug R. Estridge | 1990-05-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929470 | Method of making decorative cast-coated paper | David A. Rittenhouse, Doug R. Estridge | 1990-05-29 |