U.S. federal trademark · Serial No. 71691932 · Reg. No. 0624444
PILE DRIVING EQUIPMENT-NAMELY, STEAM PILE HAMMERS, STEAM PILE EXTRACTORS, DROP HAMMERS, DRIVING CAPS FOR STEAM AND DROP HAMMERS, PILE DRIVER GUIDES; AND HOISTING EQUIPMENT INCLUDING CONSTRUCTION HOISTS; GIN POLES, GUY DERRICKS AND STIFFLEG DERRICKS
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