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DATAMP Patents by Date for April 1868
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
776,301----[datamp][all]
1476,579----[datamp][all]
2176,884----[datamp][all]
2877,158----[datamp][all]