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DATAMP Patents by Date for February 1957
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
52,780,033-D179,628--[datamp][all]
122,780,857----[datamp][all]
192,781,616----[datamp][all]
262,782,486----[datamp][all]