Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498080 | Mill box for a horizontal grinder | Brian M. Johnson, Duane Harthoorn | 2022-11-15 |
| 10737275 | Mill box for a horizontal grinder | Brian M. Johnson, Duane Harthoorn | 2020-08-11 |
| 8376019 | Window assembly with movable interior sash | Marlo G. Van Klompenburg, Kenneth E. Nossaman, Kraig A. Downs, Gabriel P. Gromotka, Bruce Hagemeyer +7 more | 2013-02-19 |
| 6962374 | Lock inhibitor for a sliding door lock assembly | Bruce Hagemeyer | 2005-11-08 |