Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987966 | Removable cartridge cleaner | Brett E. DeVries, Carl J. Hessler | 2011-08-02 |
| 7950519 | Belt scraper assembly and scraper blade thereof | Brett E. DeVries, George M. Tramper | 2011-05-31 |