ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,098,396, issued on Oct. 14, was assigned to ZEHNDER GROUP INTERNATIONAL AG (Granichen, Switzerland).
"Air cleaning device" was invented by Janne Paiho (Motala, Sweden) and Magnus Bladh (Stockholm).
The patent was filed on Jan. 10, 2023, under Application No. D/882,076.
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