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DATAMP Patents by Date for March 1913
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,054,661----[datamp][all]
111,055,508----[datamp][all]
181,056,186----[datamp][all]
251,056,848----[datamp][all]