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DATAMP Patents by Date for March 1958
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,825,268----[datamp][all]
112,825,959-D182,318--[datamp][all]
182,826,820----[datamp][all]
252,827,707----[datamp][all]