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Rocktone Enterprise Co., Ltd. Patents
Rocktone Enterprise Co., Ltd.
Changhua County, TW
No. of patents:

Patent Number Title Of Patent Date Issued
8230545 Versatile cleaning-used duster broom structure July 31, 2012
A versatile cleaning-used duster broom structure comprises a dusting broom body composed of elastic soft bristles to fit to a coupling seat equipped with a handle. The coupling seat has an opening end to which the dusting broom body is accommodated and located thereto. The opening end
7716777 Dusting article structure May 18, 2010
Dusting article structure including a duster body and a handle. The duster body includes layers of holding sheets, a fibrous-filament layer, and a cleaning base sheet. A lower layer of the holding sheets and the cleaning base sheet are symmetrically cut to form strip-like cleaning pieces
7653960 Cleaning brush structure February 2, 2010
A cleaning brush structure comprises an outer sheath mounted to the outer side of an inner sheath, and an actuating body wherein the outer sheath has an elongated positioning slot communicating with an insert hole of the inner sheath for the engagement of an insert portion of the actuati

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