US Patent Issued to California Institute of Technology, University of Southern California on March 4 for "Method of manufacturing a tear flow measurement device" (California Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,374, issued on March 4, was assigned to California Institute of Technology (Pasadena, Calif.) and University of Southern California (Los Angeles).

"Method of manufacturing a tear flow measurement device" was invented by Yu-Chong Tai (Pasadena, Calif.), Nicholas E. Scianmarello (Pasadena, Calif.) and Mark S. Humayun (Glendale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lacrimal tear flow measurement device, and methods of manufacture and use, are described that includes a polymer microcapillary tube or similar structure having at least one end coated on the outside with soft silicone rubber and one end treated on the inside to be hydroph...