RH

Ray Haapala

📍 Dassel, MN: #1 of 2 inventorsTop 50%
🗺 Minnesota: #50 of 1,035 inventorsTop 5%
Overall (1982): #9,015 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4364437 Cultivating tool 1982-12-21
4359104 Furrow opening, closing and soil firming device for seed planting 1982-11-16