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DATAMP Patents by Date for April 1886
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
6339,125----[datamp][all]
13339,633----[datamp][all]
20340,097-D16,631--[datamp][all]
27340,583----[datamp][all]