ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,539, issued on July 8.
"Weight loading apparatus for foot and leg exercises" was invented by Remy Sasano (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A weight loading apparatus is provided, comprising a base, a fastener unit, at least one rod, and a locking unit. The base is configured to be placed under a user's foot or footwear. The fastener unit is joined to the base and configured to secure the base to the foot. The at least one rod is joined to the base and configured to be traversed by a perforated weight plate. The locking unit is configured to removably lock the weight plate to the rod."
The patent was filed on May 30, 2023, ...