ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,590, issued on June 17, was assigned to Intellijoint Surgical Inc. (Kitchener, Canada).
"Optically detectable markers for tracking, and methods for manufacturing, assembling, and using the same" was invented by Joseph Arthur Schipper (Kitchener, Canada), Andre Novomir Hladio (Waterloo, Canada) and Ryan Visee (Mississauga, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are optically detectable markers for tracking, as well as related methods. A marker comprises a mask unit and a (removable) cartridge comprising an optically detectable surface exposed through at least three faces of the mask unit. Respective materials present a measura...