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DATAMP Patents by Date for April 1915
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,134,106----[datamp][all]
131,135,087----[datamp][all]
151,135,814----[datamp][all]
201,135,983----[datamp][all]
271,137,093----[datamp][all]