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DATAMP Patents by Date for December 1881
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
6250,346----[datamp][all]
13250,641----[datamp][all]
20251,091----[datamp][all]
27251,349----[datamp][all]