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DATAMP Patents by Date for November 1947
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,430,099-D147,783--[datamp][all]
112,430,448----[datamp][all]
182,430,900----[datamp][all]
252,431,547----[datamp][all]