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DATAMP Patents by Date for November 1938
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
12,134,758----[datamp][all]
82,135,488----[datamp][all]
152,136,416----[datamp][all]
222,137,462----[datamp][all]
292,138,027----[datamp][all]