ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,351, issued on Feb. 24.
"Fire resistant multi-guard louver vent (MGV)" was invented by Gurgen G. Tovmasyan (Arcadia, Calif.), Michael A. Tovmasyan (Berkeley, Calif.) and Victoria L. Tovmasyan (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The fire resistant multi-guard louver vent incorporates a staggered angled baffles with an air gap in between them. The air gap is punctuated by a secondary mesh screen connecting the top angled baffle to the angled baffle below it. The primary mesh screen covers part of the frame facing closest to the secondary mesh screen. An intumescent material is applied either to the inside part of the ...