ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,336, issued on March 24, was assigned to JIANGSU SARCAH GROUP Co. LTD. (Taizhou, China).

"Door and window switching mechanism with stroke adjustment function" was invented by Tao Hu (Taizhou, China), Xiang Zhang (Taizhou, China), Wenming Yang (Taizhou, China), Liming Fu (Taizhou, China), Yonggang Zou (Taizhou, China) and Xinzheng Deng (Taizhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a door and window switching mechanism with a stroke adjustment function, including a mounting panel, a stroke adjustment mechanism, and a transmission arm plate. The stroke adjustment mechanism includes a stroke bracket, a l...