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DATAMP Patents by Date for September 1855
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
413,522----[datamp][all]
1113,544----[datamp][all]
1813,568----[datamp][all]
2513,594----[datamp][all]