DG

Donald C. Grigorenko

📍 Plain City, OH: #2 of 5 inventorsTop 40%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #119,615 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4801038 Can top opening assembly and method of making same — 1989-01-31