RD

Robert E. Drews

IN Ingersoll-Rand: 1 patents #412 of 828Top 50%
LM Leyman Manufacturing: 1 patents #2 of 9Top 25%
Overall (All Time): #2,334,615 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4718455 Plate-type fluid control valve Jules L. Dussourd 1988-01-12
4563121 Cargo elevator system 1986-01-07