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DATAMP Patents by Date for September 1866
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
457,716----[datamp][all]
1157,869----[datamp][all]
1858,056----[datamp][all]
2558,234----[datamp][all]