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DATAMP Patents by Date for December 1892
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
6487,313----[datamp][all]
13487,742----[datamp][all]
20488,180----[datamp][all]
27488,544----[datamp][all]