U.S. federal trademark · Serial No. 77172869 · Reg. No. TMA69307
bentonite in the form of a gel plug used onsite by workers at oil fields, gas fields and gas plants, for temporarily plugging surface pipelines during installation or repair to prevent lazy gas from escaping during service; disposable bentonite gel used onsite by workers at oil fields, gas fields and gas plants for temporarily plugging, blocking and sealing surface pipelines
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.