U.S. federal trademark · Serial No. 73301497 · Reg. No. 1257229
a Chemical-Namely, an Oxygen Scavenger Designed for Use in All Water-Base Drilling Fluids, Completion Fluids and Packer Fluids Used in the Construction and Operation of Subterranean Wells, Such as Oil and Gas Wells
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.