U.S. federal trademark · Serial No. 73278755 · Reg. No. 1
Discs in the Nature of Gas Permeable Flame Inhibiting Membranes for Use in Electric Storage Battery Plugs
Porous Plastic Sheet Material for Use in the Manufacture of Vent Plugs
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.