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DATAMP Patents by Date for October 1923
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,469,306-D63,107--[datamp][all]
91,469,814----[datamp][all]
161,470,622----[datamp][all]
231,471,353RE15,701---[datamp][all]
301,472,062----[datamp][all]