US Patent Issued to KEEN on June 30 for "Footwear sole with complex curve" (Oregon, California Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,158, issued on June 30, was assigned to KEEN INC. (Portland, Ore.).

"Footwear sole with complex curve" was invented by Ciro Fusco (Portland, Ore.) and Rory Fuerst Jr. (Tahoe City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sole for a footwear article is provided. In one example, the sole may have a bottom profile with a complex curve, the complex curve formed of a first curve at a heel region of the sole to provide a target landing angle of the sole, and a second curve at a ball region of the sole to provide a target exit angle of the sole. Each of the first curve and the second curve are a constant curve."

The patent was filed on Oct....