Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310278 | Pavement markers with silicone adhesive | James M. Kaczmarczik, Gregory F. Jacobs, David C. May, Daniel J. Willie | 1994-05-10 |
| 5286682 | Yellow retroreflective pavement markings | Gregory F. Jacobs, Thomas P. Hedblom, Larry K. Stump | 1994-02-15 |