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Each Patent Rank Badge consists of 4 components: value, the initial and most basic indication of value for a patent and follows a 5 star system; type, categorizes the patent based on its technology classification (letters) as well as its overall classification (numbers); date issued, displays the year that the patent was granted by the USPTO; and rank, a number that indicates the patent valuation on a scale from 1 to 99.Utility Patent #6543217
System for determining the effectiveness of a catalytic coating on a catalytic converter in a motor vehicle