RP

Richard L. Pelfrey

AO Ashland Oil: 2 patents #103 of 284Top 40%
📍 Worthington, OH: #207 of 449 inventorsTop 50%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,323,572 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4922991 Composite core assembly for metal casting Michael Pitcher, Albert L. Haugse, Gregory P. Sturtz 1990-05-08
4193909 Flower pot and method for making John A. Lundberg, Robert J. Schafer, Richard H. Toeniskoetter 1980-03-18