Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11352989 | Engine with low mounted cyclonic air filter assembly | Casey Groh, Adam J. Hellman, Robert Price, Ed Strommen, Jack Walrath | 2022-06-07 |
| 10167766 | Reverse fin cooling fan | Brett Birschbach, Rodney Balzar, Jeffery P. Feist, Casey Groh, Brian Johnson +4 more | 2019-01-01 |
| 9926832 | Reverse fin cooling fan | Brett Birschbach, Rodney Balzar, Jeffrey P. Feist, Casey Groh, Brian Johnson +1 more | 2018-03-27 |
| 7594484 | Blower housing for internal combustion engine | Stephen J. Lavender, Kenneth W. Derra, Michael John Derra, Rick Harold Lulloff | 2009-09-29 |