US Patent 7207139 Vacuum pick-up device with mechanically assisted release
Patent 7207139 was granted and assigned to Weyerhaeuser on April, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 3, 2004
Date of Patent
April 24, 2007
Patent Application Number
10981438
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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