RM

Raymond Madden

🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,256,040 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7267176 Downhole resettable jar tool with axial passageway and multiple biasing means 2007-09-11
4928961 Weight lifting apparatus 1990-05-29
RE33163 Gas equalizer for downhole pump 1990-02-13
4781547 Gas equalizer for downhole pump 1988-11-01