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DATAMP Patents by Date for February 1915
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,126,960----[datamp][all]
91,127,457----[datamp][all]
161,128,610----[datamp][all]
231,129,229----[datamp][all]