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DATAMP Patents by Date for March 1957
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
52,783,527-D179,799--[datamp][all]
122,784,482----[datamp][all]
192,785,471----[datamp][all]
262,786,372----[datamp][all]