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DATAMP Patents by Date for April 1912
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,022,311----[datamp][all]
91,022,450-D42,397--[datamp][all]
161,023,198----[datamp][all]
231,023,867RE13,408---[datamp][all]
301,024,656-D42,445--[datamp][all]