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DATAMP Patents by Date for April 1991
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
25,004,984----[datamp][all]
95,005,449----[datamp][all]
165,007,151----[datamp][all]
305,011,324----[datamp][all]