ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,183, issued on Sept. 16, was assigned to Amazon Technologies Inc. (Seattle).

"Microfluidic systems and methods" was invented by William Brian Greger (San Francisco), Ryan Patrick Rafter (Castro Valley, Calif.), Matias Ezequiel Andreoli (Buenos Aires, Argentina), Aida Martin Galan (Millbrae, Calif.), Luciano Braggio (Santa Fe, Argentina), Emanuel Elizalde (Santa Fe, Argentina), Bruno Nicolas Bavaresco Elissetche (Buenos Aires, Argentina), Manuela Alanis (Buenos Aires, Argentina), Andrea Larsen (San Francisco) and Mark Patrick Kreuzer (Buenos Aires, Argentina).

According to the abstract* released by the U.S. Patent & Trademark Office: "Diagnostic testing systems and related method...