US Patent Issued to Nippon Seal (H.K.) on Sept. 1 for "Dust collecting device and an electric vacuum cleaner with it" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,488, issued on Sept. 1, was assigned to Nippon Seal (H.K.) Co. Ltd. (Hong Kong, Hong Kong).

"Dust collecting device and an electric vacuum cleaner with it" was invented by Uratani Hiroyuki (Hong Kong, Hong Kong) and Sui Lun Cheung (Hong Kong, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dust collecting device and an electric vacuum cleaner with it are provided. The dust collecting device comprises a main body with an opening, a first dust collector with a first dust collecting brush for collecting dust, and a second dust collector with a second dust collecting brush for collecting dust; the first dust collector and the second dust coll...