Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558069 | Pavement marker with improved daytime visibility | Michael E. Flader, Dennis I. Couzin | 2003-05-06 |
| 6511256 | Pavement marker with improved daytime visibility and fluorescent durability | Michael E. Flader, Dennis I. Couzin, Guang-Xue Wei, Drew J. Buoni | 2003-01-28 |