Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7686131 | Vehicle exhaust tip assembly | Dale F. Osterkamp | 2010-03-30 | |
| 7246680 | Sound dampening assembly for automotive exhaust system | Dale F. Osterkamp | 2007-07-24 | $7,389,000 |