ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,576, issued on Dec. 16, was assigned to NUVANCE HEALTH (Danbury, Conn.).

"Apparatus and method for collecting liquid samples" was invented by Lisa M. Arrigo (Danbury, Conn.), Jennifer N. Campbell (Ridgefield, Conn.), Paul N. Fiedler (New Haven, Conn.) and Denise Hammond-McKibben (Green Oaks, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to devices and methods for collecting liquid samples such as for removing a target liquid sample fraction from a larger liquid sample, e.g., from a biological sample. These devices and methods are particularly useful for rapidly and cost-effectively removing the buffy coat layer fr...