Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628373 | Sign panel holder | Grant D. Dicke | 2009-12-08 |
| 7243450 | Sign stand having resilient base | Grant D. Dicke, Jeffrey A. Williams | 2007-07-17 |
| 6769833 | Pivoting vehicle barrier | Grant D. Dicke | 2004-08-03 |
| 6685156 | Quick release mechanism for use with a supporting device | Grant D. Dicke, Jeffrey A. Williams | 2004-02-03 |
| 6604719 | Sign stand for mounting flexible sign panels | Grant D. Dicke, Jeffrey A. Williams | 2003-08-12 |
| 6186463 | Rib clamping system for display devices | Jeffrey A. Williams, Grant D. Dicke | 2001-02-13 |