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DATAMP Patents by Date for December 1871
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
5121,447----[datamp][all]
12121,707RE4,668---[datamp][all]
19121,931----[datamp][all]
26122,108----[datamp][all]