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DATAMP Patents by Date for March 1891
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
3447,377----[datamp][all]
10447,796----[datamp][all]
17448,195----[datamp][all]
24448,633----[datamp][all]
31449,129----[datamp][all]