ALEXANDRIA, Va., April 7 -- United States Patent no. D1,121,800, issued on April 7, was assigned to Higher Innovation Inc. (Pflugerville, Texas).
"Air filtration device" was invented by Alwin Henry Ciccel (Pflugerville, Texas).
The patent was filed on Sept. 25, 2024, under Application No. D/965,035.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1121800&OS=D1121800&RS=D1121800
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