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DATAMP Patents by Date for March 1912
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,019,066----[datamp][all]
121,019,798-D42,305--[datamp][all]
191,020,416-D42,343--[datamp][all]
261,021,202-D42,347--[datamp][all]