U.S. federal trademark · Serial No. 73700493 · Reg. No. 1582238
MACHINE TOOLS FOR THE MANUFACTURE OF HELICAL SCREW FORMS AND OF HELICAL SCREW ROTORS FOR COMPRESSORS, PUMPS OR GEARS; MACHINE TOOLS FOR THE PROFILE GRINDING OF CUTTERS FOR USE IN THE MANUFACTURE OF HELICAL SCREW FORMS; HELICAL SCREW ROTORS BEING PARTS OF COMPRESSORS, PUMPS OR GEARS, AND OPTICAL FORM GAUGING
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