Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791015 | Ornamented tile surface covering | John S. Forry, Walter J. Lewicki, Jr., Richard M. Ringer | 1988-12-13 |
| 4778547 | Process for making a dimensionally stable, embossed, ornamented tile surface covering | Walter J. Lewicki, Jr. | 1988-10-18 |
| 4747901 | Process for making a stress-free embossed and ornament surface covering | John S. Forry, Walter J. Lewicki, Jr., Richard M. Ringer | 1988-05-31 |