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DATAMP Patents by Date for May 1879
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
6214,981----[datamp][all]
13215,241----[datamp][all]
20215,456----[datamp][all]
27215,717----[datamp][all]