ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,102, issued on Sept. 23, was assigned to Cirtec Medical Corp. (Brooklyn Park, Minn.).

"System, device, and method for generating stimulation waveform having a paresthesia-inducing low-frequency component and a spread-spectrum high-frequency component" was invented by Norbert Kaula (Arvada, Colo.), Yohannes Iyassu (Denver) and Scott Brainard (Columbus Heights, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pulse generator includes charging circuitry configured to provide electrical power to the pulse generator. The pulse generator includes communication circuitry configured to conduct wireless telecommunications with external programming dev...