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DATAMP Patents by Date for March 1881
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
1238,220----[datamp][all]
8238,521----[datamp][all]
15238,758----[datamp][all]
22239,072RE9,617---[datamp][all]
29239,320----[datamp][all]