Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8496382 | Bi-directional tapered roller bearing assembly with improved wear resistance | Ryan D. Evans, Gary L. Doll | 2013-07-30 |
| 5028152 | Machine with thermally compensated bearings | Harold E. Hill, Ronald P. Dickerhoff | 1991-07-02 |
| 4571097 | Tapered roller bearing with pressurized rib ring | Peter Wung Lee, Ronald L. Widner | 1986-02-18 |