DP

Douglas L. Pettit

AC Ag-Chem Equipment Co.: 1 patents #9 of 19Top 50%
GR General Resource: 1 patents #2 of 10Top 20%
OM Owatonna Manufacturing: 1 patents #4 of 11Top 40%
📍 Owatonna, MN: #95 of 233 inventorsTop 45%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,626,573 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6027053 Automatic funnel positioning system for spinner spreader machine Dean Anderson 2000-02-22
4512789 Filter bag clamp Calvin E. Piilola 1985-04-23
4432499 Portable feed grinder-mixer Larry L. Henkensiefken, Gerald E. Barry 1984-02-21