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DATAMP Patents by Date for March 1949
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
12,463,097-D152,890--[datamp][all]
82,464,156-D152,948--[datamp][all]
152,464,381-D153,088--[datamp][all]
222,465,195-D153,182--[datamp][all]
292,465,923----[datamp][all]