ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,534, issued on May 26, was assigned to BESTWAY INFLATABLES & MATERIAL CORP. (Shanghai).

"Trampoline with small package volume" was invented by Xiaobo Chen (Jinhua City, China), Fengwang Chen (Jinhua City, China), Yanping Wu (Jinhua City, China) and Peng Pan (Jinhua City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trampoline is provided, the trampoline including a trampoline frame and leg pipes for supporting the trampoline frame. Each leg pipe includes a cross pipe and two stand pipes, the two stand pipes being detachably connected to two ends of the cross pipe to form a U-shaped structure. An upper end of each stand pipe is detachably co...