ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,846, issued on June 10, was assigned to President and Fellows of Harvard College (Cambridge, Mass.).

"Open-top microfluidic devices and methods for simulating a function of a tissue" was invented by Antonio Varone (Newton, Mass.), Norman Wen (Newton, Mass.), Daniel Levner (Brookline, Mass.), Richard Novak (Jamaica Plain, Mass.), Lori McPartlin (North Billerica, Mass.), Donald E. Ingber (Boston), Youngjae Choe (Somerville, Mass.), Lian Leng (LaSalle, Canada) and Justin K. Nguyen (Medford, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for simulating a function of a tissue includes a first structure, a second structure, and a membrane. ...