Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul H. Ess0
Date of Patent
December 19, 2006
Patent Application Number
11210594
Date Filed
August 24, 2005
Patent Primary Examiner
Patent abstract
The invention relates to a device and method for sealing a manhole structure. An elastomeric band with at least two different peripheries is sealingly engaged to at least two corresponding peripheries of the manhole structure. Adhesives and supplemental retaining bands may also be used to secure the elastomeric band to the manhole structure.
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