ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,796, issued on Sept. 23.

"Medical rehabilitation chair with sitting and reclining angle adjustment mechanism" was invented by Wen-Chun Chen (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical rehabilitation chair includes a main frame, multiple castor devices mounted on the bottom of the main frame, and two armrest boards mounted on two sides of the main frame. A telescopic damping driver, a seat frame assembly, a backrest frame assembly, a leg support assembly, a lifting mechanism, and a foot support assembly are assembled on the main frame. The seat frame assembly has a front section connecting the leg support assembly and ...