ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,037, issued on Sept. 8, was assigned to LEEDS TEACHING HOSPITALS NHS TRUST (Leeds, Great Britain) and UNIVERSITY OF LEEDS (Leeds, Great Britain).
"Test slides and methods of production in stain assessment" was invented by David Brettle (Leeds, Great Britain), Darren Treanor (Leeds, Great Britain) and Catriona Marie Dunn (Leeds, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A QA test slide for use in a stain QA method for a stain and method of making QA test slides are described. The QA test slide comprises: a transparent substrate; a piece of biopolymer material mounted on the transparent substrate; and a sticker defining an aperture ...