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DATAMP Patents by Date for January 1864
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
541,063----[datamp][all]
1241,189----[datamp][all]
1941,270----[datamp][all]
2641,356----[datamp][all]