ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,344, issued on Dec. 30, was assigned to Wenzhou Weidu Electronics Co. Ltd. (Wenzhou, China).
"Rolling measuring instrument" was invented by Yixin Jiang (Wenzhou, China) and Jianke Chen (Wenzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rolling measuring instrument includes a main body of the measuring instrument, which further comprises a housing, a display screen, a clamping component, and a roller arm. The housing includes a cover plate and a bottom shell that are mutually compatible. One side of the bottom shell is equipped with a pivot seat. The display screen engages with the pivot seat and can be flipped relative to the housing. ...