DG

Donald C. Grigorenko

📍 Plain City, OH: #33 of 128 inventorsTop 30%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,302,451 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4801038 Can top opening assembly and method of making same 1989-01-31
4624386 Easy opening can top Gerald C. Gardner 1986-11-25
D276878 Hand-held barbecue spit 1984-12-25
4446777 Hand-held barbecue spit 1984-05-08