Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8015733 | Walk-behind trenching machine | Tanner L. Erickson, Glenn Liubakka | 2011-09-13 |
| 7980569 | Platform assembly for use with working vehicle | Tanner L. Erickson, Barry L. Hentges, David A. Murray, Greg Lawrence | 2011-07-19 |