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DATAMP Patents by Date for October 1925
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,555,887-D68,402--[datamp][all]
131,556,970----[datamp][all]
201,557,864----[datamp][all]
271,558,763----[datamp][all]