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DATAMP Patents by Date for October 1947
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
72,428,508----[datamp][all]
142,428,949----[datamp][all]
212,429,250RE22,929---[datamp][all]
282,429,685----[datamp][all]