Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304819 | Combined rear spoiler and light | Leif H. Chapman | 1989-11-28 |
| D302004 | Wheel | Leif H. Chapman | 1989-07-04 |
| D301866 | Wheel cover | Leif H. Chapman | 1989-06-27 |
| D292390 | Wheel cover | — | 1987-10-20 |
| D271191 | Air spoiler | Ralph J. Amprim, Leif H. Chapman | 1983-11-01 |