CJ

Calvin R. Johnson

BO Borden: 1 patents #74 of 166Top 45%
📍 Lockport, IL: #117 of 216 inventorsTop 55%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,825,832 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5218038 Phenolic resin coated proppants with reduced hydraulic fluid interaction Kwok-tuen Tse, Charles J. Korpics 1993-06-08