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