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DATAMP Patents by Date for April 1856
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
114,550----[datamp][all]
814,603----[datamp][all]
1514,675----[datamp][all]
2214,745----[datamp][all]
2914,757----[datamp][all]