Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509084 | Thermoplastic products having antislip surfaces | Edward E. Cullivan | 2003-01-21 |
| 5858508 | Method of forming antislip surfaces on thermoformed products | Edward E. Cullivan | 1999-01-12 |
| 5648031 | Method of forming antislip surfaces on thermoformed products | Edward E. Cullivan | 1997-07-15 |
| 5267820 | Fastener assembly for truck bed liner | — | 1993-12-07 |
| D328049 | Truck cap | — | 1992-07-21 |