ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,842, issued on Nov. 25, was assigned to InnovaPrep LLC (Drexel, Mo.).

"Liquid to liquid biological particle concentrator with disposable fluid path" was invented by Andrew Edward Page (Smithton, Mo.), Zachary A. Packingham (Drexel, Mo.), David Scott Alburty (Drexel, Mo.) and Alec D. Adolphson (Raymore, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Highly efficient and rapid filtration-based concentration devices, systems and methods are disclosed with sample fluidic lines and a filter packaged in a disposable tip which concentrate biological particles that are suspended in liquid from a dilute feed suspension. A sample concentrate or retentate ...