ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,637, issued on July 22, was assigned to Intellijoint Surgical Inc. (Kitchener, Canada).

"Active targets for tracking, and methods for assembling and using the same" was invented by Joseph Arthur Schipper (Kitchener, Canada), Ryan Visee (Mississauga, Canada) and Andre Novomir Hladio (Waterloo, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are targets for use in optical tracking, as well as related methods. A target comprises a plurality of light dispersers, optically coupled to at least one light source. The light dispersers are illuminated for detection and tracking by a tracking system. In some implementations, the at least one li...