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DATAMP Patents by Date for February 1958
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,821,818-D182,027--[datamp][all]
112,822,544----[datamp][all]
182,823,542----[datamp][all]
252,824,381----[datamp][all]