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DATAMP Patents by Date for December 1865
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
551,282----[datamp][all]
1251,435----[datamp][all]
1951,554RE2,132---[datamp][all]
2651,675RE2,139---[datamp][all]