Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9534648 | Brake assembly with improved brake shoe retention | David J. Dettloff, Roy Hayford, Joshua R. Oliver | 2017-01-03 |
| 9004244 | Brake assembly with improved brake shoe retention | David J. Dettloff, Roy Hayford, Joshua R. Oliver | 2015-04-14 |