Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10167766 | Reverse fin cooling fan | Brett Birschbach, Rodney Balzar, Jeffery P. Feist, Casey Groh, Randall J. Klotka +4 more | 2019-01-01 |
| 9926832 | Reverse fin cooling fan | Brett Birschbach, Rodney Balzar, Jeffrey P. Feist, Casey Groh, Randall J. Klotka +1 more | 2018-03-27 |
| D689522 | Engine | Caleb J. Palmer | 2013-09-10 |
| D634333 | Engine | Caleb J. Palmer | 2011-03-15 |