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DATAMP Patents by Date for October 1859
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
425,615---AI251[datamp][all]
1125,711---AI253[datamp][all]
1825,796RE840---[datamp][all]
2525,886---AI254[datamp][all]