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DATAMP Patents by Date for September 1947
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
22,426,932----[datamp][all]
92,427,153----[datamp][all]
162,427,493-D147,502--[datamp][all]
232,427,924----[datamp][all]
302,428,049----[datamp][all]