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DATAMP Patents by Date for March 1915
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,129,996----[datamp][all]
91,130,863----[datamp][all]
161,131,789----[datamp][all]
231,132,550----[datamp][all]
301,133,353----[datamp][all]