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DATAMP Patents by Date for October 1927
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,644,079----[datamp][all]
111,644,666----[datamp][all]
181,645,521----[datamp][all]
251,646,441----[datamp][all]