6 SYNTHETIC MOLDED PARTS OF A CHEMICALLY IMPERVIOUS NATURE-NAMELY, POLYTETRAFLUOROETHYLENE (ALSO KNOWN AS PTFE) FOR THE FORMATION OF PIPES, EXPANSIVE JOINTS, AND COUPLINGS FOR TRANSFERRING CHEMICAL ELEMENTS
Trademark Events
Apr 22, 1996
Expired Sec. 9
Dec 29, 1980
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.