Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904222 | Variable assist power steering using vehicle speed and steering pressure | Michael K. Liubakka, Timothy Gerard Offerle | 1999-05-18 |
| 4262890 | Ski holder | Robert Lehman | 1981-04-21 |