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DATAMP Patents by Date for February 1932
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,843,359----[datamp][all]
91,844,069----[datamp][all]
161,845,038----[datamp][all]
231,846,295----[datamp][all]