RK

Roger H. Kottke

TO The Quaker Oats: 2 patents #118 of 395Top 30%
📍 Crystal Lake, IL: #336 of 734 inventorsTop 50%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,362,097 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4381813 Method for manufacturing foundry cores 1983-05-03
4308191 Foundry sand mixes with improved bench life for curing with sulfur dioxide or other oxidizable gaseous catalysts Robert H. Fox, James E. Menting, R. Bruce Sampsell 1981-12-29