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DATAMP Patents by Date for February 1919
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,293,552----[datamp][all]
111,293,687----[datamp][all]
181,294,402----[datamp][all]
251,295,180----[datamp][all]