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DATAMP Patents by Date for September 1891
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
1458,581----[datamp][all]
8459,072----[datamp][all]
15459,393----[datamp][all]
22459,733----[datamp][all]
29460,115----[datamp][all]