U.S. federal trademark · Serial No. 78132125 · Reg. No. 2760386
apparatus that allows adapting or interchanging of batteries so that a AAA cell can be used as a AA, C or D cell; a AA cell can be used as a C or D cell; or a C cell can be used as a D cell
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.