Adjustable Vertical Barrier for a Retractable Screen
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2025-10-21
ALEXANDRIA, Virginia, Oct. 21 -- ESS MANUFACTURING, INC., Jensen Beach, Florida has been assigned a patent (No. US 12448840 B2, initially filed May 16, 2022) developed by Michael Heissenberg, Port St. Lucie, Florida, for "Adjustable vertical barrier for a retractable screen." . . .
