US Patent Issued to HUSQVARNA on April 7 for "Multi-layer abrasive tools for concrete surface processing" (Swedish Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,974, issued on April 7, was assigned to HUSQVARNA AB (Huskvarna, Sweden).

"Multi-layer abrasive tools for concrete surface processing" was invented by Andreas Jonsson (Hallsberg, Sweden), Joakim Leff-Hallstein (Molndal, Sweden), Robert Nystrom (Gothenburg, Sweden), Martin Huber (Lerum, Sweden), Christian Nyberg (Vastra Frolunda, Sweden), Gustav Berggren (Huskvarna, Sweden), Ulrika Skold (Huskvarna, Sweden), Catherine Konigk (Huskvarna, Sweden), Mikael Stuhrmann (Norrkoping, Sweden), Mats Lawenius (Gothenburg, Sweden) and Per Sandstrom (Linkoping, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "An abrasive tool for a floor grinder, wherein the ...