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DATAMP Patents by Date for January 1852
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
68,627----[datamp][all]
138,655RE209---[datamp][all]
208,664----[datamp][all]
278,681----[datamp][all]