ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,305, issued on March 25, was assigned to Retsch GmbH (Haan, Germany).
"Laboratory mill" was invented by Uwe Orth (Monschau, Germany), Zilan Orhan (Witten, Germany), Stefan Mahler (Velbert, Germany) and Alexander Muhlig (Cologne, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laboratory mill is shown and described with at least one oscillatably mounted grinding bowl holder for at least one grinding bowl and with at least one line for transporting a liquid or gaseous medium, the line having at least one compensating element for compensating relative movements between the grinding bowl holder and/or the grinding bowl and a stationary part of...