JM

Jozeph Robert Marcin

WH Weatherford Technology Holdings: 1 patents #61 of 180Top 35%
📍 Spruce Grove, CA: #1 of 5 inventorsTop 20%
Overall (2016): #347,116 of 481,213Top 75%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9334700 Reverse cementing valve Andrew J. Hanson, Randal Brent Biedemann, Damian Leonard Ward, Clayton R. Andersen 2016-05-10