U.S. federal trademark · Serial No. 97681680 · Reg. No. 7236330
Sodium bentonite clay for use in oil well drilling, mineral exploration drilling, water well drilling, seismic drilling, caisson drilling, and horizontal drilling
Sodium bentonite clay for use as a moisture barrier for seepage cut-off walls, landfills, and reservoirs; Sodium bentonite clay for use in hazardous material containment
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.