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DATAMP Patents by Date for December 1911
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,010,424----[datamp][all]
121,011,183----[datamp][all]
191,011,919----[datamp][all]
261,012,591----[datamp][all]