ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,944, issued on May 20, was assigned to Oura Health Oy (Oulu, Finland).
"Expandable wearable device" was invented by Gary Watts (Oceanside, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for operating a wearable device are described. The wearable device may include a flexible inner body in the form of an open-ended ring that includes a first end that is movable relative to a second end such that an inner circumference of the inner body is expandable. The wearable device may include a flexible circuit board disposed concentrically around an outer circumference of the inner body and in the form of an open-ended ring...