ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,379, issued on July 22, was assigned to Leapfrog Product Development LLC (Chicago).
"Push-pull wagon" was invented by Samantha Sturgeon (Chicago), Collin Ostergaard (Chicago) and Scott Padiak (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wagon having a wagon frame, a push bar and a handle is provided. The wagon frame has a first end assembly and an opposing second end assembly. First and second rear wheels are rotatably connected to the wagon frame adjacent the second end assembly, and first and second front wheels are rotatably and pivotally connected to the wagon frame adjacent the first end assembly. The handle is pivotally connected ...