ALEXANDRIA, Va., June 5 -- United States Patent no. D1,071,137, issued on April 15, was assigned to FM PARTEC S.P.A. (Correggio, Italy).
"Air curtain diffuser" was invented by Gian Carlo Franchini (Correggio, Italy).
The patent was filed on Nov. 26, 2021, under Application No. D/514,348.
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