JH

John M. Hupp

TO The Standard Oil: 2 patents #183 of 601Top 35%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,404,585 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1006395 Grave marker 2023-11-28
5068215 Catalyst for upgrading low molecular weight hydrocarbons Joseph P. Bartek, James F. Brazdil, Robert K. Grasselli 1991-11-26
4886931 Upgrading low molecular weight hydrocarbons Joseph P. Bartek, James F. Brazdil, Robert K. Grasselli 1989-12-12