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DATAMP Patents by Date for February 1855
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
612,350----[datamp][all]
1312,384----[datamp][all]
2012,410----[datamp][all]
2712,437----[datamp][all]