Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D932265 | Power tool | Daniel J. De Lay, Mark Brenneman, Steve Landowski | 2021-10-05 |
| D893965 | Heat gun | Daniel J. De Lay, Mark Brenneman, Steve Landowski | 2020-08-25 |
| 10164502 | Mobile diesel generator and power propulsion system | — | 2018-12-25 |
| 6810849 | Four-stroke internal combustion engine | Mark Donald Schaefer, Michael Braun, Peter Hotz, Darrell Wiatrowski, Ronald Lee Bartelt +1 more | 2004-11-02 |