DB

David Blankenship

PC Peerless Chain: 2 patents #1 of 3Top 35%
📍 Winona, MN: #1 of 8 inventorsTop 15%
🗺 Minnesota: #129 of 2,022 inventorsTop 7%
Overall (1989): #29,720 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4825923 Traction cable Richard A. George, Steven E. Czaplewski 1989-05-02
4801116 Merchandise hanger assembly 1989-01-31