ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,867, issued on May 27, was assigned to Northern Digital Inc. (Waterloo, Canada).
"Textured retro-reflective marker" was invented by Larry Chen (Fergus, Canada), Derek Peter Zwambag (Guelph, Canada), Shaulaine White (Troy, Canada), Athanasios Tommy Balkos (Waterloo, Canada), Kirsten Galea (Fergus, Canada) and David Charles Willms (Waterloo, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus comprising a retro-reflective marker and a device configured to receive the retro-reflective marker in a socket located on the top surface of the device. The retro-reflective marker comprises a retro-reflective layer having a first retro-reflectanc...