U.S. federal trademark · Serial No. 73015611 · Reg. No. 1023625
POLYTETRAFLUOROETHYLENE MACHINERY PARTS-NAMELY, PISTON RINGS, [ VALVE SEATS, ] AND BEARINGS
[ ELECTRICAL APPARATUS-NAMELY, POLYTETRAFLUOROETHYLENE RESISTOR PLATES, CIRCUIT BREAKER ARC SHIELDS ]
POLYTETRAFLUOROETHYLENE MACHINED AND MOLDED PARTS-NAMELY, SEALS, [ BLOCKS, ] RINGS, [ COUPLING LINERS, ] BACK-UP RINGS [ , SCRAPER RINGS, O-RINGS, AND SEATS ]
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