DS

Duwayne Springer

Overall (All Time): #2,886,483 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9951583 Reciprocating wellbore obstruction-clearing tool and bailer Randy GOSSELIN, Trevor James MONTGOMERY 2018-04-24