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DATAMP Patents by Date for February 1922
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
71,405,393----[datamp][all]
141,406,220----[datamp][all]
211,407,015----[datamp][all]
281,407,724RE15,294---[datamp][all]