Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451408 | Retroreflective article | Dale H. Haunschild, Mark D. Zender, Robert A. Haenggi, Larry K. Stump | 2002-09-17 |
| 6265061 | Retroflective articles including a cured ceramer composite coating having abrasion and stain resistant characteristics | Soonkun Kang, Gregory E. Gilligan, Christopher J. Gustafson, Sithya S. Khieu, Kanta Kumar +2 more | 2001-07-24 |
| 6132861 | Retroreflective articles including a cured ceramer composite coating having a combination of excellent abrasion, dew and stain resistant characteristics | Soonkun Kang, Gregory E. Gilligan, Christopher J. Gustafson, Tzu-Li J. Huang, Sithya S. Khieu +2 more | 2000-10-17 |
| 5127973 | Intersection markings | Asok Sengupta, Stanley J. Jordan | 1992-07-07 |
| 4388359 | Embossed pavement-marking sheet material | Timothy D. Bredahl | 1983-06-14 |
| 4282281 | Long-lived heavy-duty pavement marking | — | 1981-08-04 |