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DATAMP Patents by Date for January 1861
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
131,006----[datamp][all]
831,073----[datamp][all]
1531,107----[datamp][all]
2231,145----[datamp][all]
2931,232----[datamp][all]