ALEXANDRIA, Va., Jan. 29 -- United States Patent no. D1,059,638, issued on Jan. 28, was assigned to The AZEK Group LLC (Chicago).
"Deck frame joist" was invented by Elijah R. Johnson (Chicago), Eric Wehrli (Sugar Grove, Ill.), Roger Edwin Winter (Chicago), Jason Andrew Davoll (Chicago), Charles William Herr III (Columbus, Ohio) and Isaac Russell Fox (Cincinnati).
The patent was filed on March 23, 2022, under Application No. D/831,893.
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