ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,651, issued on June 3.
"Resistance exercise device" was invented by Matthew Burkhardt (East Norwich, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bidirectional rotational resistance assembly is provided. The assembly includes a lever coupled to the one or more discs so that a first torque imparted in a first rotational direction on the lever determines a rate of change of each disc's angular momentum in the first rotational direction in such a way as to oppose a second torque imparted in a second rotational direction on the lever, wherein the first and second rotational directions are opposites."
The patent was filed on Dec. 28, 2022, under...