U.S. federal trademark · Serial No. 78708421 · Reg. No. 3287867
Polytetrafluoroethylene in the form of rods and cylinders used in further manufacturing in the fields of chemical processing, food processing, semiconductors, and pharmaceutical and medical applications; and polytetrafluoroethylene gaskets used in the fields of chemical processing, food processing, semiconductors, and pharmaceutical and medical applications
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.