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DATAMP Patents by Date for August 1919
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,311,969-D53,687--[datamp][all]
121,312,546----[datamp][all]
191,313,345----[datamp][all]
261,314,255----[datamp][all]