ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,271, issued on May 6, was assigned to Russell Todd Nevins (Las Vegas).

"System and method for location determination using movement between optical labels and a 3D spatial mapping camera" was invented by Russell Todd Nevins (Las Vegas), David Jon Backstein (Toronto) and Bradley H. Nathan (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system determining a location for a surgical procedure, the system including a jig having a frame, a first marker fixed to the frame, wherein the first marker includes a scanable label, and a second marker moveably connected to the frame, such that the second marker can move positions independent of the frame...