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DATAMP Patents by Date for April 1945
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,372,699----[datamp][all]
102,373,376-D140,810--[datamp][all]
242,374,217-D140,986--[datamp][all]