ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,557, issued on Sept. 16, was assigned to CYBEX GmbH (Bayreuth, Germany).
"Pram" was invented by Jiri Spour (Zlatniky-Hodkovice, Czech Republic).
According to the abstract* released by the U.S. Patent & Trademark Office: "Pram or pram frame, comprising at least one motor, in particular an electric motor, for the assisted driving of the pram or pram frame, a push bar for pushing the pram or pram frame, at least one force sensor device for detecting a direction and/or an amount of a force and/or a force component which acts on the push bar, and/or for detecting a variable derived from this force or force component, in particular a torque and/or a change of the force or force compon...