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DATAMP Patents by Date for March 1971
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
23,566,516----[datamp][all]
93,568,739----[datamp][all]
163,570,190----[datamp][all]
233,571,912----[datamp][all]