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DATAMP Patents by Date for May 1940
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
72,199,380-D120,369--[datamp][all]
142,200,479-D120,489--[datamp][all]
212,201,182----[datamp][all]
282,202,402----[datamp][all]