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DATAMP Patents by Date for August 1920
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
31,348,148----[datamp][all]
101,348,875----[datamp][all]
171,349,630----[datamp][all]
241,350,545----[datamp][all]
311,351,504----[datamp][all]