ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,721, issued on June 24, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Hinge device and display apparatus including the same" was invented by Changmin Han (Suwon-si, South Korea), Minjae Shin (Suwon-si, South Korea), Hyeonggwon Kim (Suwon-si, South Korea) and Kyeong Namkoong (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus including: a first display; a second display disposed adjacent to the first display; a hinge rotatably coupling the first display and the second display, the hinge including a first hinge portion at a side of the first display and a second hinge portion rotatably cou...