86063320
Sep 12, 2013
Drilling machines and parts therefor; oilfield equipment, namely a wellbore attachment used to retrieve metal objects entering the wellbore
MachineryMagnets for industrial purposes; magnets for use in oilfield equipment for drilling, completion, and production operations; magnets used in oil and gas drilling, completion and production operations; magnetic applications used in oil and gas drilling, completion and production operations
Electrical and Scientific Apparatus