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DATAMP Patents by Date for February 1864
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
241,419----[datamp][all]
941,478----[datamp][all]
1641,590----[datamp][all]
2341,688----[datamp][all]