Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Darrel Scott Cramer0
Ellie Harold MacDonald0
Date of Patent
May 15, 2007
Patent Application Number
10929217
Date Filed
August 30, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A safety cage improves the safety of workers servicing tanker vehicles having top side hatches. A part or parts of the cage can be repositioned to permit the hatch cover to be opened and then can be returned to a safety enchancing position.
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