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DATAMP Patents by Date for September 1864
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
644,067----[datamp][all]
1344,225----[datamp][all]
2044,283----[datamp][all]
2744,411----[datamp][all]