ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,082, issued on Sept. 23, was assigned to Cala Health Inc. (San Mateo, Calif.).

"Systems and methods for peripheral nerve stimulation in the finger or hand" was invented by Samuel Richard Hamner (San Francisco), Kathryn H. Rosenbluth (San Francisco), Serena HanYing Wong (Palo Alto, Calif.), Swaril Mathur (Laguna Niguel, Calif.), Paula Jean Chidester (Menlo Park, Calif.) and Terence D. Sanger (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices, and methods for stimulating peripheral nerves in the fingers or hand to treat tremor are described. For example, a wearable ring device for delivering electrical stimulation to sensory...