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DATAMP Patents by Date for September 1911
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,002,215----[datamp][all]
121,002,837----[datamp][all]
191,003,499-D41,795--[datamp][all]
261,003,997----[datamp][all]