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DATAMP Patents by Date for May 1857
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
517,187RE462---[datamp][all]
1217,254----[datamp][all]
1917,313----[datamp][all]
2617,378----[datamp][all]