JP

John R. Petrenchik

📍 Pepper Pike, OH: #77 of 126 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,967,918 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4641702 Method and mold for molding investment casting patterns of irregular shape — 1987-02-10