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DATAMP Patents by Date for March 1889
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
5398,839----[datamp][all]
12399,287----[datamp][all]
19399,670----[datamp][all]
26400,057----[datamp][all]