Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7115199 | Filter housing with interchangeable filter mounting plate | — | 2006-10-03 |
| 6877189 | Roller cam buckle | Roger M. Simonson | 2005-04-12 |
| 5474585 | Filtering apparatus | Stephen A. Geibel, Ulrich Otto, Glen E. Petaja | 1995-12-12 |
| 5454743 | Free style surfboard with removable foot pieces | — | 1995-10-03 |