Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462140 | Acceleration sensitive shock absorber | Donald G. Richardson | 1995-10-31 |
| RE34897 | Suspension device for motorcycle | Donald G. Richardson | 1995-04-11 |
| 5332068 | Self contained automatic terrain condition adjusting shock absorber | Donald G. Richardson | 1994-07-26 |
| 5092457 | Engine oil change kit | Steve Islava | 1992-03-03 |