Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34357 | Loose-lay and adhered surface coverings | J. Richard George, George L. Lilley, Darryl L. Sensenig, James A. Tshudy | 1993-08-24 |
| 4654244 | Loose-lay and adhered surface coverings | J. Richard George, George L. Lilley, Darryl L. Sensenig, James A. Tshudy | 1987-03-31 |