Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431788 | Wear resistant pavement marking | Thomas P. Hedblom, Eric E. Rice, Curtis W. Meverden, Gregory E. Gilligan | 2002-08-13 |
| 4521129 | Elastomeric pavement marker having improved configuration | David C. May | 1985-06-04 |