ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,237, issued on April 22, was assigned to BIO HEALTH FRONTIERS INC. (El Dorado Hills, Calif.).

"Variable flow control device, system and method" was invented by Paul Lambert (El Dorado Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device, system and method are provided for controlling the rate of infusion of fluids during infusion therapy using non-electric infusion devices. Rotation of a flow regulator dial causes an orifice connected to the inlet to modify its position relative to a particular one or more orifices or groove portions, the characteristics of which provide a certain flow rate characteristic. The flow regulator allows f...