Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337126 | Floor covering | Brian Robert Simpson, David Highfield, Richard M. Kopchik | 2002-01-08 |
| 6287706 | Floor coverings | Brian Robert Simpson, David Highfield, Richard M. Kopchik | 2001-09-11 |
| 6111013 | Polymer product manufacture | Brian Robert Simpson, Richard M. Kopchik | 2000-08-29 |