ALEXANDRIA, Va., Feb. 17 -- United States Patent no. D1,113,483, issued on Feb. 17, was assigned to DRAEGER INC..
"Air control box" was invented by Alex M. Petty (Pasadena, Texas) and George Hoang (Pearland, Texas).
The patent was filed on Jan. 25, 2023, under Application No. D/883,217.
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