RB

Robert Butcher

General Motors: 1 patents #9,361 of 18,328Top 55%
Overall (All Time): #2,336,798 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4744647 Semi-opaque corneal contact lens or intraoccular lens and method of formation Leroy Meshel, Robert J. Pressley, Theodore S. Fahlen 1988-05-17
4244717 System for collecting solid particles entrained in a gas stream 1981-01-13