Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487881 | Collet locking yoke | — | 2019-11-26 |
| 8672110 | Automatic torque overload clutch | — | 2014-03-18 |
| 8246473 | Universal joint with improved ball lubrication | — | 2012-08-21 |
| 7794329 | Torque overload clutch | — | 2010-09-14 |
| 7235016 | Universal joint lubrication | Mark A. Fechter | 2007-06-26 |
| 6447397 | Detent torque overload clutch | Scott J. Zangl | 2002-09-10 |