Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5800904 | Embossable surface covering with inorganic wear layer | Robert A. Hallman, Eugene M. Kirchner, Jeffrey S. Ross, Jerome D. Wisnosky | 1998-09-01 |
| 5188876 | Surface covering with inorganic wear layer | Leonard N. Ray, Jr., Joseph F. Reuwer, Jr., Jeffrey S. Ross, Jerome D. Wisnosky | 1993-02-23 |
| 5077112 | Floor covering with inorganic wear layer | Leonard N. Ray, Jr., Joseph F. Reuwer, Jr., Jerome D. Wisnosky | 1991-12-31 |