DD

Dennis E. Dria

TO The Standard Oil: 17 patents #31 of 601Top 6%
Shell Oil Compny: 7 patents #428 of 4,423Top 10%
T( The Standard Oil Company (Ohio): 2 patents #10 of 43Top 25%
📍 Spencer, OH: #2 of 17 inventorsTop 15%
🗺 Ohio: #2,215 of 73,341 inventorsTop 4%
Overall (All Time): #155,591 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
4244879 Preparation of maleic anhydride Noel J. Bremer 1981-01-13