ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,316, issued on Jan. 13, was assigned to FRESENIUS MEDICAL CARE HOLDINGS INC. (Waltham, Mass.).

"Pill case and medication reminder system" was invented by Samuel Trevino (San Ramon, Calif.) and Daniel L Sloat (Wakefield, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pill case and medication reminder system is provided. A pill case and a reminder system are in data transfer communication with one another. The system can also include a global positioning system, an accelerometer, or both. A pill case compartment is configured to hold a medication. The pill case has a sensor or sensor array configured to detect the amount of medication in the p...