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DATAMP Patents by Date for February 1917
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,214,498----[datamp][all]
131,215,372----[datamp][all]
201,216,418-D50,372--[datamp][all]
271,217,217-D50,381--[datamp][all]