JM

Jeffery W. Mainzer

ON Operations Technology Development, Nep: 2 patents #4 of 28Top 15%
Overall (All Time): #1,868,218 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10914389 High pressure detachable/retractable stopper plug James E. Huebler, Jim Diehl 2021-02-09
10801657 Detachable system to shut off pressure flow in pipes Dennis R. Jarnecke 2020-10-13