Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604312 | Stress-free, embossed, ornamented tile surface covering and process for making the same | William C. Dorsey, Walter J. Lewicki, Jr., Harry F. Long, Richard M. Ringer | 1986-08-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604312 | Stress-free, embossed, ornamented tile surface covering and process for making the same | William C. Dorsey, Walter J. Lewicki, Jr., Harry F. Long, Richard M. Ringer | 1986-08-05 |