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DATAMP Patents by Date for August 1939
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
12,167,720----[datamp][all]
82,169,159----[datamp][all]
152,169,484----[datamp][all]
222,170,312RE21,180D116,269--[datamp][all]