ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,535, issued on May 19, was assigned to The Trustees of the Stevens Institute of Technology (Hoboken, N.J.).

"Outsole-embedded optoelectronic sensor to measure shear ground reaction forces during locomotion" was invented by Damiano Zanotto (Jersey City, N.J.) and Ton Duong (Glen Ridge, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor apparatus for footwear includes at least one pair of light sources and at least one pair of light receivers, each light receiver being positioned and configured to receive light emitted from a respective one of the light sources. A pair of movable curtains functions to adjust the amount of light received by th...