Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8875348 | Friction hinge system | — | 2014-11-04 |
| 8056688 | Immersed wrap spring device | — | 2011-11-15 |
| 7766311 | Wireform locking device | — | 2010-08-03 |
| 7051854 | Dual press-fit wrap spring clutch | — | 2006-05-30 |
| 7007780 | Variable speed clutch | Joseph E. Arnold, Ted Perron | 2006-03-07 |
| 6561333 | Spring clutch utilizing torque slip clips | George Larson | 2003-05-13 |
| 4638899 | Simplified method of securing the clutch spring to the torque input drum of a spring clutch, and resulting mechanism | — | 1987-01-27 |