U.S. federal trademark · Serial No. 86716801 · Reg. No. 4986719
SAFETY DEVICES, NAMELY, CLOSED CHAMBER CONTAINMENT SYSTEMS IN THE NATURE OF GLOVE BOXES, COMPRISING AN AIRTIGHT ENCLOSURE USING NITROGEN TO REPLACE AMBIENT AIR AND FEATURING AIRTIGHT GLOVES WHICH REACH INTO THE ENCLOSURE FOR USE IN TESTING, CONDUCTING CHEMICAL ANALYSES, AND PERFORMING CHEMICAL REACTIONS
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