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DATAMP Patents by Date for September 1925
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
11,551,598----[datamp][all]
81,552,493----[datamp][all]
151,553,642----[datamp][all]
221,554,324----[datamp][all]
291,555,140----[datamp][all]