ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,773, issued on April 14, was assigned to Medtronic Inc. (Minneapolis).

"Power management for implantable medical device systems" was invented by Wade M. Demmer (Coon Rapids, Minn.), Yong K. Cho (Excelsior, Minn.), Michael F. Hess (Minneapolis) and Todd J. Sheldon (North Oaks, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for minimizing rate of depletion of a non-rechargeable power source, to extend the operational lifetime of an implantable medical device that includes the non-rechargeable power source, by enforcing operational-mode-specific communication protocols whereby inter-device communication between the implantable medical...