Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10364937 | Two-piece stand-pipe | Robert Seungmo/S Lee, Christopher B. Preston | 2019-07-30 |
| 10066676 | Steel clutch housing having sprayed on coating | Scott William Heitzenrater, Daniel R. White | 2018-09-04 |
| 9194436 | Serrated shaft debris collector | Caleb G. Harmon, David Eddy | 2015-11-24 |