DB

David A. Bonestroo

UN Unknown: 1 patents #145 of 1,640Top 9%
📍 Lake Elmo, MN: #5 of 15 inventorsTop 35%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #136,520 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4836687 Waste pit stirrer Oliver A. Kardoes, Richard T. Kardoes 1989-06-06