RS

Rudolph Stegmann

FR Frick: 2 patents #5 of 15Top 35%
Overall (All Time): #2,344,154 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4685310 Multi-purpose valve assembly Zoltan A. Mandy 1987-08-11
4227380 Single casing, multiple duty valve F. Michael Laucks 1980-10-14