ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,420, issued on Sept. 16, was assigned to VACEK LLC (Porter, Texas).

"Systems and methods for controlling air properties in structures and inhibiting moisture accumulation and mold propagation in structures" was invented by Sam S. Vacek (Porter, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A structure comprises at least one outer wall having an internal wall section and an outer wall section with an air flow passage therebetween. A circulation system circulates air through the flow passage to inhibit moisture accumulation and mold growth. A sensing system determines the presence of moisture in the flow passage and generates a signal in respo...