US Patent Issued on June 2 for "Protective helmet" (Nebraska Inventor)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,325, issued on June 2.

"Protective helmet" was invented by Doak Ostergard (Lincoln, Neb.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A safety helmet, for example, usable in sports such as football, is shown and described. The safety helmet includes an outer shell and an inner shell. The latter encircles a head of a wearer of the safety helmet. The outer shell is coupled in spaced apart relation to the inner shell by impact attenuators that include in one variation elastically deformable pins. The pins protrude through the inner shell to the inner head seating structure, and outside the inner shell to the outer shell. In another version of the impa...