JR

John Gilbert Richardson

EN Engelhard: 1 patents #271 of 518Top 55%
Overall (All Time): #3,514,495 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6579356 High strength Fe-Cr brown with excellent weathering William Gerald Loucka, Mark E. Gall 2003-06-17