ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,972, issued on Dec. 9, was assigned to PEXA AB (Gothenburg, Sweden).
"Sample preparation device" was invented by Svante Hojer (Kungalv, Sweden) and Jorgen Ostling (Hono, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described a sample preparation device for preparing a sample containing particles collected onto a collection plate. The sample preparation device includes a holding device for securing the collection plate; a device for punch cutting with a sample collector, and a guiding device that includes two or more guide bores. The guiding device extends a first length along a plane x between first and second transverse sides; The guiding d...