DD

Donald R. Day

TO The Standard Oil: 1 patents #291 of 601Top 50%
📍 Garfield Heights, OH: #39 of 75 inventorsTop 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,076,145 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4351056 Carbon electrodes having a low coefficient of thermal expansion Oliver A. Kiikka 1982-09-21