Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716154 | Attachment device | Marvin H. Miller | 1998-02-10 |
| 5163703 | Motor vehicle suspension with damper having a quickly stopped rotatable member | David Andrew Shal, James M. Petrofes, Gary R. Denton | 1992-11-17 |
| 5150915 | Motor vehicle suspension with damper having rotatable member position feedback | James M. Petrofes, David Andrew Shal, Gary R. Denton | 1992-09-29 |
| 5150916 | Motor vehicle suspension with damper having rotatable member overrun detection | James M. Petrofes, David Andrew Shal, Gary R. Denton | 1992-09-29 |