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DATAMP Patents by Date for November 1912
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,043,093-D43,222--[datamp][all]
121,043,813----[datamp][all]
191,044,517----[datamp][all]
261,045,200-D43,268--[datamp][all]