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DATAMP Patents by Date for September 1940
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,213,191----[datamp][all]
102,214,141----[datamp][all]
172,214,881----[datamp][all]
242,215,627-D122,704--[datamp][all]