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DATAMP Patents by Date for October 1931
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,825,719----[datamp][all]
131,826,739----[datamp][all]
201,827,763----[datamp][all]
271,828,782----[datamp][all]