U.S. federal trademark · Serial No. 71591000 · Reg. No. 0538267
AN ADDITIVE TO LUBRICATING OIL AND GREASE, TO FORTIFY THE SAME AGAINST DETERIORATION IN USE, AND AGAINST THE FORMATION OF GUMS AND SLUDGE, AND TO ENHANCE THEIR LUBRICATING QUALITIES, AND TO PETROLEUM FUELS TO IMPROVE ENGINE LUBRICATION AND EFFICIENCY AND FOR THE LUBRICATING OIL SO FORTIFIED WITH SUCH ADDITIVE
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