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DATAMP Patents by Date for February 1961
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
72,970,484----[datamp][all]
142,971,296----[datamp][all]
212,972,266----[datamp][all]
282,972,813----[datamp][all]