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DATAMP Patents by Date for April 1906
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
3816,570----[datamp][all]
10817,205----[datamp][all]
17817,784----[datamp][all]
24818,454----[datamp][all]