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DATAMP Patents by Date for April 1872
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
2125,123----[datamp][all]
9125,380----[datamp][all]
16125,676----[datamp][all]
23125,899----[datamp][all]
30126,128----[datamp][all]