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DATAMP Patents by Date for December 1930
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,783,260----[datamp][all]
91,784,102----[datamp][all]
161,784,908----[datamp][all]
231,785,798----[datamp][all]
301,786,438----[datamp][all]