Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7281751 | Sliding visor | L. Robert Hamelink, Thomas Scott Hodgson, Kirk J. Olep, Brent D. Rockafellow, Steven M. Spoerre +5 more | 2007-10-16 |
| 6910725 | Sliding visor | Michael L. Lanser, David L. Hiemstra | 2005-06-28 |