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DATAMP Patents by Date for December 1934
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,983,091----[datamp][all]
111,983,516----[datamp][all]
181,984,500-D94,078--[datamp][all]
251,985,614-D94,156--[datamp][all]