Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Allen Willis0
Bradley Scott Withers0
Erik Scott Nelson0
Date of Patent
April 30, 2019
Patent Application Number
14537707
Date Filed
November 10, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
A cleaning device for cleaning a substrate is provided. In one aspect, the cleaning device includes a brush engaged with a mandrel, and the brush forms an Archimedean screw thread form. The brush is formed of an absorbent material, preferably foam. In one aspect, the brush is seated within a groove in the mandrel.
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