ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,978, issued on March 17, was assigned to CURELIFE Co. LTD. (Siheung-si, South Korea).

"Hinge assembly" was invented by Doo Young Yang (Siheung-si, South Korea) and Hye Jung Yang (Siheung-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an improved hinge assembly, and more particularly, which consists of a hinge rotation body and a hinge support body, so that the hinge rotation body and the hinge support body are easily rotated to each other by hinge rotation and, in addition, the hinge rotation body and the hinge support body are easily returned to their original positions by an operation to push any o...