U.S. federal trademark · Serial No. 74246630 · Reg. No. 1760864
chemical products for use in tracing cracks, fissures, defects, and stains in and on surfaces; namely, penetrants, dyes, developers, solvents, and penetrant removers, all of which may be in the form of gases, sprays, aerosol sprays, suspensions, emulsions, powders or solids
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