87105916
Jul 15, 2016
Aug 22, 2017
BLACKHAWK SPECIALTY TOOLS L.L.C.
Active Trademark
Oil and gas well equipment, namely, power operated connection and hoisting assembly for the automated connection of conduits to elevated cement heads during well cementing operations
MachineryProviding services for oil and/or gas wells, namely, the automated connection of conduits to elevated cement heads during well cementing operations
Building Construction and Repair