ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,096,028, issued on Sept. 30, was assigned to SUZHOU ROYAL CLEANLAND ELECTRIC Co. LTD. (Suzhou, China).
"Vacuum cleaner main unit" was invented by Dongzhou Cao (Suzhou, China).
The patent was filed on March 25, 2024, under Application No. D/934,232.
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