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DATAMP Patents by Date for November 1921
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
11,395,440----[datamp][all]
81,396,298RE15,222D59,602--[datamp][all]
151,396,762-D59,678--[datamp][all]
221,397,569-D59,786--[datamp][all]
291,398,234----[datamp][all]