ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,688, issued on July 28, was assigned to STEP2GOLD Co. LTD. (Taichung City, Taiwan).
"Foldable device with an automatic spreading positioning function" was invented by Chih-Ting Pao (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A foldable device includes a pivot base having a through hole and two support holes extending through a base seat for a shaft member and two support shafts to extend therethrough. The shaft member extends along a central axis and is pivotably connected with the base seat about a rotating axis such that the shaft member is rotatable between a ready position and a swung position. The biasing member is int...