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DATAMP Patents by Date for March 1952
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,587,896----[datamp][all]
112,588,985-D166,148--[datamp][all]
182,589,309----[datamp][all]
252,590,093----[datamp][all]