ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,073, issued on Feb. 10.
"Ice leveling system" was invented by Robert James Mcintosh (Exeter, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ice leveling system involves a laser receiver mountable on an ice conditioning head of an ice resurfacing machine below a top-most portion of the ice resurfacing machine and at least two laser projectors that project laser light in a plane below a level of the top-most portion of the ice resurfacing machine. The at least two laser projectors are mountable adjacent to an ice surface and are positionable around the ice surface so that the laser receiver when mounted on the ice resurfacing machine always ...