ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,448, issued on June 3, was assigned to MICROGLASS LLC (Castro Valley, Calif.).

"Microchannel valve apparatus, system, and method" was invented by John Wasserbauer (Castro Valley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an apparatus, system and method for a microchannel valve. The valve is configured to control or switch the flow of gasses or liquids. The valve includes a first substrate with a microchannel interrupted by a rotational element having a matching microchannel. The rotational element is attached to a second substrate in contact with the first. Actuation of the valve is achieved by rotating t...