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DATAMP Patents by Date for June 1940
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,202,878RE21,479---[datamp][all]
112,203,738----[datamp][all]
182,204,693----[datamp][all]
252,205,492----[datamp][all]