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DATAMP Patents by Date for April 1914
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
71,092,160----[datamp][all]
141,092,849----[datamp][all]
211,093,775----[datamp][all]
281,094,484-D45,678--[datamp][all]