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DATAMP Patents by Date for September 1933
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,925,384----[datamp][all]
121,926,452-D90,663--[datamp][all]
191,927,096----[datamp][all]
261,927,844----[datamp][all]