ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,887, issued on April 7, was assigned to Riddell Inc. (Des Plaines, Ill.).
"Protective sports helmet" was invented by Vittorio Bologna (Elk Grove, Ill.), Nelson Kraemer (Mount Prospect, Ill.), Ralph Infusino (Bloomingdale, Ill.) and Thad M. Ide (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protective sports helmet including a crown energy attenuation assembly positioned within a crown region of the helmet shell. The crown energy attenuation assembly includes: a first energy attenuation element with a plurality of sidewalls arranged to form a hexagonal housing, wherein a first sidewall has a substantially planar configuration; a second ene...