ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,332, issued on June 3, was assigned to Wind Harvest Intl (Davis, Calif.).

"Vertical axis wind turbine with variable thickness blade" was invented by Antonio Ojeda Monge (El Puerto de Santa Maria, Spain), Alin Ionut Munteanu (Leuven, Belgium), David John Malcolm (Kirkland, Wash.), Jeffrey Willis (Omaha, Neb.) and Olamide Ajala Inyang (San Leandro, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical axis wind turbine with variable thickness blade is disclosed. The wind turbine may include a blade including a skin having a first skin section and a second skin section. A first skin section thickness may be greater than a second skin section ...