ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,727,663, issued on Sept. 8, was assigned to Ranir LLC (Grand Rapids, Mich.).
"Pressure sensing system and method for an electric toothbrush" was invented by Bryan J. Dishon (Alto, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure sensor for a toothbrush. The pressure sensor includes a substrate, a contact arm in the substrate, a power source, a signal element, and a sensor contact. The sensor contact may be mounted to the substrate such that the contact arm is not in contact with the sensor contact when the substrate is not flexed. As a user applies pressure to a toothbrush head, the substrate can flex and move the contact arm toward the s...