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DATAMP Patents by Date for May 1890
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
6427,044----[datamp][all]
13427,575----[datamp][all]
20428,191----[datamp][all]
27428,662----[datamp][all]