Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7625154 | Plow blade with water passageway and method of constructing same | Keith A. Hoelting, Brian N. Kenkel | 2009-12-01 |
| 7470089 | Plow blade with water passageway and method of constructing same | Keith A. Hoelting, Brian N. Kenkel | 2008-12-30 |
| 7044684 | Plow blade with water passageway | Keith A. Hoelting, Brian N. Kenkel | 2006-05-16 |
| 6511260 | Plow for installing utility lines | Brian N. Kenkel, Keith A. Hoelting | 2003-01-28 |