88305915
Feb 18, 2019
Jul 18, 2023
Active Trademark
Downhole valves, namely, self-shifting fracturing sleeves for use in oil and gas wells; devices for initiating and stimulating hydrocarbon-bearing reservoirs, namely, fracturing and stimulation valves being parts of oil and gas well machines
Machineryhydrocarbon-bearing reservoir initiation and stimulation services, namely, hydraulic fracturing and stimulation services
Building Construction and Repair