U.S. federal trademark · Serial No. 86121121 · Reg. No. 4587715
Plastic indicators installed over torqued wheel lug nuts that are specially adapted to fit lug nuts of vehicle wheels, which move with the nuts if loosened, and distort and discolor if overheated, providing visual identification of faults
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.