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DATAMP Patents by Date for February 1859
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
122,784---AI217[datamp][all]
822,846----[datamp][all]
1522,926---AI219[datamp][all]
2223,004----[datamp][all]