ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,181, issued on Oct. 20.
"Impalement hazard protective cap" was invented by Jeffrey Marshall (Costa Mesa, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A protective cap to cover impalement hazards, by means of increasing the surface area associated with said hazard may include utilizing a metal plate embedded within a plastic/polymer cap, with a flat top and a receiving shaft housing below, with mechanical means of securing the cap to said hazard with a mechanical plunger. The mechanical plunger is driven from the exterior of the housing by means of rotating a threaded shaft to selectively engage the impalement hazard and compressively hold t...