ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,904, issued on Aug. 12, was assigned to STEMCELL TECHNOLOGIES CANADA INC. (Vancouver, Canada).

"Device for manipulating samples" was invented by Leon Chew (Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure is directed to a method and device for manipulating a sample, such as a biological sample. A device of this disclosure includes mat having a top planar surface spaced apart from a bottom planar surface and a recess formed in the top planar surface extending toward the bottom planar surface, the recess having an opening at the top planar surface and bounded by a non-planar bottom wall. By way of example, a device of t...