Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7062944 | Dual taper steering column lock bolt | Gregory P. Ruth | 2006-06-20 |
| 6637284 | Position depend tilt and telescoping steering column | — | 2003-10-28 |
| 5737971 | Motor vehicle steering column | Richard K. Riefe, James Salois | 1998-04-14 |
| 5049770 | Electric motor-driven impeller-type air pump | Joseph P. Brigham, Russell L. Herlache, Steven W. Sherrill | 1991-09-17 |
| 4826411 | Air pump vane assembly | — | 1989-05-02 |