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DATAMP Patents by Date for September 1957
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,804,891----[datamp][all]
102,805,483----[datamp][all]
172,806,491----[datamp][all]
242,807,091-D181,071--[datamp][all]