U.S. federal trademark · Serial No. 74068414 · Reg. No. 1751788
metal chain shackles in which the underside of the head of the closure bolt is provided with teeth to engage corresponding teeth provided on one of the shackle ears to prevent removal of the bolt once it is tightened
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.