ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,903, issued on July 15, was assigned to INSULET Corp. (Acton, Mass.).

"Spring-based status sensors" was invented by Steven Cardinali (Tewksbury, Mass.), Kepei Sun (Andover, Mass.) and Benjamin Lacroix (Littleton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Spring-based sensor devices are described. For example, a spring-based sensor system may include at least one spring associated with a mechanical element, the at least one spring operative to change from a first state to a second state based on a configuration of the mechanical element, sensing circuitry configured to determine an electrical property of the at least one spring, the electr...