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DATAMP Patents by Date for April 1944
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,345,563----[datamp][all]
112,346,146----[datamp][all]
182,346,660----[datamp][all]
252,347,223----[datamp][all]