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DATAMP Patents by Date for December 1887
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
6374,168----[datamp][all]
13374,573----[datamp][all]
20374,928----[datamp][all]
27375,345----[datamp][all]