ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,523, issued on Sept. 30, was assigned to BL TECHNOLOGIES INC. (Minnetonka, Minn.).

"Bacterial endotoxin reader verification plates and methods of use" was invented by Brian Clay (Minnetonka, Minn.), Stan Needle (Louisville, Colo.) and Krzysztof Franaszczuk (Superior, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Verification plates for a bacterial endotoxin reader are provided, namely a temperature verification plate (TVP) and optical verification plate (OVP). The TVP has a body configured to be placed on a spindle of said reader and rotated by said spindle. The body has a temperature verification circuit with a temperature sensor and a temp...