ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,608, issued on Dec. 9, was assigned to HORL 1993 GMBH (Germany).
"Roller sander" was invented by Timo Horl (Freiburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for grinding and/or polishing a cutting edge of a cutting tool. The device includes a handle, at least one roller rotatable relative to the handle, and at least one disc that is rotatable relative to the handle for grinding and/or polishing the cutting edge of the cutting tool. The device can be moved over a substrate by exerting force on the handle so that the roller, which is rotating relative to the handle, rolls on the substrate and the disc can be set in rotation. Th...