ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,871, issued on June 3, was assigned to Michael Gurin (Glenview, Ill.).

"Contaminant inhibition pathway control system" was invented by Michael Gurin (Glenview, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for contaminant control, often infection control, with multiple time and space domains that integrate active and passive infection control devices and processes that preferably feature infection control active additives with controllable dispassivation to limit post-consumption environmental impact. Additionally, the system executes the infection control devices and process transactions by controlling the dispatch of infec...