AW

Arnold Wollmann

Overall (All Time): #1,931,233 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10221633 Sucker rod shear couplers Aaron Brassard, Wray Sparling, John Doyle 2019-03-05
9243460 Rod clamping devices for hanging or pulling rod strings in a wellbore 2016-01-26