Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7951245 | Composition and method for road-film removal | Mark Levitt, Terry J. Klos, Michael E. Besse, Robert D. P. Hei, Jerry D. Hoyt +1 more | 2011-05-31 |
| 7482315 | Composition and method for road-film removal | Mark Levitt, Terry J. Klos, Michael E. Besse, Robert D. P. Hei, Jerry D. Hoyt +1 more | 2009-01-27 |
| 6864220 | Composition and method for road-film removal | Mark Levitt, Terry J. Klos, Michael E. Besse, Robert D. P. Hei, Jerry D. Hoyt +1 more | 2005-03-08 |
| 6339054 | Composition and method for road-film removal | Mark Levitt, Terry J. Klos, Michael E. Besse, Robert D. P. Hei, Jerry D. Hoyt +1 more | 2002-01-15 |