RS

Ronald Schlappy

Overall (All Time): #1,868,868 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10920503 Oil well casing centralizing standoff connector and adaptor Chris Shumate 2021-02-16
7681637 Self-orienting guide shoe Bradley L Frazier 2010-03-23