ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,214, issued on Oct. 21, was assigned to GUANGZHOU JINGLIANGYI HARDWARE PRODUCTS Co. LTD. (Guangzhou, China).
"Adjustable chute structures" was invented by Zicheng Huang (Guangzhou, China) and Yiwen Zhang (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable chute structure is provided, which includes at least one chute and two cross beams disposed at two ends of the chute. Each end of the chute is connected with a chute plug, which is slidably mounted on the cross beams and is provided with a receiving groove. The receiving groove is provided with a movable switch, and a first mating member and a second mating member coupled...