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DATAMP Patents by Date for September 1858
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
721,435----[datamp][all]
1421,482----[datamp][all]
2121,554----[datamp][all]
2821,594RE604---[datamp][all]