ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,375, issued on July 14, was assigned to FOREL S.P.A. UNIPERSONALE (Roncade, Italy).
"Method for making an insulating glass" was invented by Fortunato Vianello (Roncade, Italy) and Riccardo Vianello (Roncade, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making an insulating glass consisting of at least a first glass plate, a second glass plate, and a central glass plate involves arranging a spacer on the first glass plate, coupling the first glass plate to the central glass plate to make a pre-assembled product, rotating the pre-assembled product by an angle of around 180deg with respect to a substantially vertical axis, and arra...