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DATAMP Patents by Date for September 1930
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,774,692RE17,786---[datamp][all]
91,775,164----[datamp][all]
161,775,671----[datamp][all]
231,776,335----[datamp][all]
301,776,778----[datamp][all]