US Patent 7191485 Lawn waste sweeper with recirculating airstream
Patent 7191485 was granted and assigned to Harper Industries, Inc. on March, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
April 5, 2004
Date of Patent
March 20, 2007
Patent Application Number
10818540
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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