Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Patricia Russell0
David E. Cowan0
Greg H. Brown0
Marc E. Christensen0
Bruce E. Owens0
Bryan D. Grabowski0
Charles M. Mettler0
Date of Patent
April 12, 2011
Patent Application Number
12536332
Date Filed
August 5, 2009
Patent Primary Examiner
Patent abstract
A barrier includes a housing having a front wall and an opposing back wall each extending between opposing sidewalls. The housing also includes a floor and an interior surface bounding a chamber, the chamber communicating externally through an inlet opening. A first inset projects into the chamber from the front wall so as to form a recessed pocket on the front wall. A second inset projects into the chamber from the back wall so as to form a recessed pocket on the back wall. The first inset and the second inset are connected together within the chamber so that the chamber encircles the connection.
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