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DATAMP Patents by Date for February 1870
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
199,303----[datamp][all]
899,599----[datamp][all]
1599,780RE3,839---[datamp][all]
22100,004RE3,850---[datamp][all]