U.S. federal trademark · Serial No. 77220165 · Reg. No. 4931796
MEASURING AND TESTING MACHINES AND INSTRUMENTS IN THE FIELD OF INTERFACE SCIENCE, SPECIFICALLY FOR MEASURING AND ANALYZING THE SURFACE/INTERFACE PHENOMENA OF SOLIDS AND LIQUIDS, NAMELY, INCLINOMETERS, SURFACE TENSIOMETERS, INTERFACE TENSIOMETERS, CONTACT ANGLE METERS, FRICTION METERS, FRICTION ABRASION ANALYZERS; LABORATORY APPARATUS IN THE NATURE OF A TROUGH FOR PRODUCING LANGMUIR-BLODGETT FILM
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