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DATAMP Patents by Date for September 1938
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
62,129,271----[datamp][all]
132,129,815-D111,234--[datamp][all]
202,130,341----[datamp][all]
272,131,492----[datamp][all]