US Patent 8216453 Grate cover apparatus
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Patent abstract
The present invention relates to a temporary grate cover apparatus for placement over a storm water grate to filter sediment and trash from entering the storm drain during a construction project.
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Patent Inventor Names
Gary L. Moody0
Thomas H. Happel0
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US Patent 08216453 Grate cover apparatus US Patent 8216453 Grate cover apparatus
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Patent Number
08216453
Patent Number
8216453
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US Patent 08216453 Grate cover apparatus
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Is a
Patent jurisdiction
Patent number
08216453
Date of patent
July 10, 2012
Patent application number
13317821
Date Filed
October 31, 2011
Patent primary examiner
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