ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,414, issued on Oct. 7, was assigned to SUNON TECHNOLOGY Co. LTD (Zhejiang, China).
"Armrest installation structure" was invented by Xujun Zhang (Zhejiang, China), Hao Wu (Zhejiang, China), Changjiang Liu (Zhejiang, China) and Xianping He (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An armrest installation structure, includes a back frame, a pre-embedded sleeve, and an armrest body. The pre-embedded sleeve is fixedly installed in an inner cavity of the back frame; a side wall of the pre-embedded sleeve is provided with several deadbolt grooves provided along a length direction of the pre-embedded sleeve; the armrest body is internal...