DO

Dale C. Opheim

MM May-Wes Mfg.: 2 patents #3 of 7Top 45%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Graettinger, IA: #1 of 2 inventorsTop 50%
🗺 Iowa: #4,661 of 15,303 inventorsTop 35%
Overall (All Time): #1,651,105 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5458256 Slide lid — 1995-10-17
D358563 Slide lid for a planter — 1995-05-23
5354236 Method of converting corn picker/husker to reduce kernel loss and damage — 1994-10-11