U.S. federal trademark · Serial No. 77278077 · Reg. No. 3740431
Additives for oil and gas well drilling fluids, namely, chemical additives for oil and gas well drilling fluids; and chemical additives for oil and gas well drilling fluids, namely, chemical microsphere additives for oil and gas well drilling fluids
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.