ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,985, issued on May 27, was assigned to Humatics Corp. (Waltham, Mass.).

"Antennas for radio-frequency localization" was invented by Christopher Ryan Montoya (Waltham, Mass.), Gregory L. Charvat (Guilford, Conn.) and Andrew Habib Zai (Sudbury, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are systems for radio-frequency (RF) localization. The systems developed by the inventors are designed to improve the accuracy of RF localization to millimeter and sub-millimeter ranges, and additionally, are designed to do so while also limiting manufacturing costs. The RF localization systems developed by the inventors leverage the relative...