U.S. federal trademark · Serial No. 77068954
Golf club swing aids, namely, a device consisting of a cover, a base and a two-part lens and special insert of colored patterns, that provides visual feedback to the user as to the actual head and spine angle movement during the swing relative to acceptable movement as taught by professional golf instructors
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.