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DATAMP Patents by Date for September 1917
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,238,870----[datamp][all]
111,239,459-D51,263--[datamp][all]
181,240,173----[datamp][all]
251,241,080----[datamp][all]