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DATAMP Patents by Date for April 1926
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,579,246----[datamp][all]
131,580,197----[datamp][all]
201,581,237----[datamp][all]
271,582,046----[datamp][all]