ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,849, issued on May 20, was assigned to REVVITY HEALTH SCIENCES INC. (Waltham, Mass.).

"Mixing liquids using an automated liquid handling system" was invented by Adam Snider (Providence, R.I.) and Andrew Brodsky (Brookline, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for mixing liquids using an automated liquid handling system includes: aspirating liquid volumes of a first liquid and a second liquid from alternating ones of a first liquid supply and a second liquid supply into a mixing volume such that the aspirated liquid volumes form a liquid stack including a series of alternating, interfacing layers of the first and second liqui...