ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,815, issued on Dec. 2, was assigned to Medibotics LLC (Ham Lake, Minn.).

"Biometric wearable device (e.g. finger ring or smart watch) with optical sensors and scanning light beams" was invented by Robert A. Connor (Wyoming, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A biometric wearable device (e.g. finger ring or smart watch) has optical sensors to measure body oxygenation level, hydration level, glucose level, heart rate, heart rate variability, and/or blood pressure. Light from light emitters is transmitted through body tissue and changes in the light are analyzed. The angles and/or vectors along which the light is transmitted through bo...