EW

Elmer J. De Witt

TO The Standard Oil: 2 patents #183 of 601Top 35%
📍 Cuyahoga Falls, OH: #197 of 472 inventorsTop 45%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,340,454 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4638042 Copolymers containing indene George S. Li, Muyen M. Wu 1987-01-20
4603186 Tetrapolymers containing indene Muyen M. Wu, George S. Li 1986-07-29