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DATAMP Patents by Date for April 1873
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
1137,284----[datamp][all]
8137,581----[datamp][all]
15137,756----[datamp][all]
22137,999----[datamp][all]
29138,236----[datamp][all]