ALEXANDRIA, Virginia, May 30 -- PURDUE RESEARCH FOUNDATION, West Lafayette, Indiana has been assigned a patent (No. US 11660806 B2, initially filed Sept. 2, 2020) developed by six inventors Jeffrey Frederick Rhoads, West Lafayette, Indiana; George Tsu-Chih Chiu, West Lafayette, Indiana; Ibrahim Emre Gunduz, West Lafayette, Indiana; Trevor John Fleck, West Lafayette, Indiana; Allison Kelly Murray, West Lafayette, Indiana; and Steven Forrest Son, West Lafayette, Indiana, for "3D printed fluoropol . . .