ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,686, issued on March 25, was assigned to NINGBO HUAZHOU OPTOELECTRONIC TECHNOLOGY Co. LTD (Ningbo, China).
"Multifunctional life-saving hammer" was invented by Enyuan Qiu (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a multifunctional life-saving hammer, comprising a hammer body. Two ends of the hammer body are respectively connected and fixed with a pointed hammer and a butt hammer, a hammer handle is fixedly connected to the middle of the hammer body and is formed by detachably screwing and fixing a hollow tube-shaped connector and a handle bar, and a tail of the handle bar is provided with a tail c...