ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,823, issued on March 31.
"Kick scooter performance enhancement" was invented by Benjamin F. Bailar (Philadelphia).
According to the abstract* released by the U.S. Patent & Trademark Office: "The device provides an energy return mechanism associated with flexing and straightening of the scooter rider's support leg. The device includes an energy return mechanism having an end connected to the scooter such that resilient force exerted by the mechanism is longitudinally aligned with the scooter to act in a generally rearward/upward direction. A free end of the mechanism cradles the front of the rider's support leg, just below the knee. When the rider flexes the support leg, the resi...