MH

Marvin J. Den Herder

FE Ferro: 2 patents #125 of 431Top 30%
📍 Olympia Fields, IL: #13 of 47 inventorsTop 30%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,361,986 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4380498 Sulfurized, transesterified oil additives and their use in a lubricating oil and a fuel Karl P. Kammann, Jr., Terrence L. Wagner 1983-04-19
4380499 Sulfurized fatty oil additives and their use in a lubricating oil and a fuel Karl P. Kammann, Jr. 1983-04-19