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DATAMP Patents by Date for April 1946
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
92,398,209----[datamp][all]
162,398,353----[datamp][all]
232,398,941----[datamp][all]
302,399,236----[datamp][all]