U.S. federal trademark · Serial No. 79363139 · Reg. No. 7265482
Hydrogen storage tanks made of metal
Hydrogen storage tanks not of metal or masonry; hydrogen storage tanks made of non-metallic or non-masonry materials
Hydrogen fuel tanks for automobiles, ships and aircraft
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.