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DATAMP Patents by Date for May 1858
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
420,135----[datamp][all]
1120,192RE552D1,001--[datamp][all]
1820,253----[datamp][all]
2520,323----[datamp][all]