RJ

Raymond Johnson

CC Crown Iron Works Company: 1 patents #13 of 30Top 45%
📍 Forbes, MN: #2 of 3 inventorsTop 70%
Overall (All Time): #2,055,083 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8789773 Recycling process for discarded roof shingles Floyd C. Teeter, Jr., Philip Fisher, Catherine Selvaag 2014-07-29
4786003 Materials processing unit 1988-11-22