RJ

Richard D. Johnson

CM Cyprus Mines: 1 patents #6 of 14Top 45%
Overall (All Time): #3,841,632 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5080235 Small particle separator Carl W. Nichols, Michael J. Lorang, Michael O. Wold, Jerry W. Rayfield, Marvin F. Hansen 1992-01-14