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DATAMP Patents by Date for February 1913
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,051,921----[datamp][all]
111,052,453----[datamp][all]
181,053,270----[datamp][all]
251,054,124-D43,639--[datamp][all]