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DATAMP Patents by Date for March 1940
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
5--D119,331--[datamp][all]
12--D119,441--[datamp][all]
192,193,878----[datamp][all]
262,194,577----[datamp][all]