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DATAMP Patents by Date for September 1923
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,466,664----[datamp][all]
111,467,539----[datamp][all]
181,468,012----[datamp][all]
251,468,692----[datamp][all]