ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,664, issued on Dec. 2, was assigned to Rensselaer Polytechnic Institute (Troy, N.Y.).
"Adjustable heel system" was invented by Priyank G. Patel (Phoenixville, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A footwear system includes an upper portion, a sole portion, and an adjustable heel. The adjustable heel includes a top section configured to the sole portion at a top surface of the top section. The top section defines a top section vertical cavity, a top section upper horizontal cavity, and a top section lower horizontal cavity. A movable top locking pin is positioned at least partially within the top section upper horizontal cavity. A bottom...