ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,247, issued on Sept. 16, was assigned to FESTOOL GMBH (Wendlingen, Germany).
"Disc tool" was invented by Michael Higelin (Kongen, Germany), Florian Beck (Romerstein-Strohweiler, Germany), Mutasem Rabah (Wendlingen, Germany), Ulrich Kasper (Wangen, Germany) and Stefan Tulodziecki (Neuhausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A disc tool for a processing machine for grinding and/or polishing a workpiece (W); wherein the disc tool (10A, 10B, 10B) has a carrier (20) for attachment to an output (85) of the processing machine (80); wherein a cushion element (40A, 40B, 40C) made of elastic material and a retaining wall element (41A, 4...