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DATAMP Patents by Date for November 1942
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,300,479----[datamp][all]
102,301,413----[datamp][all]
172,302,506-D134,371--[datamp][all]
242,302,744----[datamp][all]