Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7153056 | Road marker with reverse cups | — | 2006-12-26 |
| 6572305 | Reflective pavement marker | — | 2003-06-03 |
| 5098217 | Abrasion resistant coating for pavement marker | Peter Hedgewick | 1992-03-24 |
| 4797024 | Abrasive resistant pavement marker | — | 1989-01-10 |
| 4753548 | Abrasive resistant pavement marker | — | 1988-06-28 |