WJ

William Richard Johnson

SS Specialty Coating Systems: 1 patents #21 of 43Top 50%
Overall (All Time): #3,725,342 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5669971 Selective coating apparatus Hendrick F. Bok, Joseph Patrick O'Connor, Matthew Shade, Lamar Duane Young 1997-09-23