Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881999 | Process for the preparation of decorative surface coverings with dot patterns | Richard H. Balmer | 1989-11-21 |
| 4797315 | Decorative surface coverings with dot patterns | Richard H. Balmer | 1989-01-10 |