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Sep 17, 2018 patft » Page 1 of 1 May 01, 2015 Public PAIR IFW (CMS*) Archive | United States Patent and No guarantees are made with respect to the completeness or accuracy of this data. Please visit the USPTO PAIR site for official, current, and complete information.. If you have questions, please send them via email to IPD@USPTO.GOV * The acronym Image File Wrapper (IFW) will begin to transition to Content Management System (CMS). United States Patent & Trademark Office