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DATAMP Patents by Date for August 1921
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,385,994----[datamp][all]
91,386,708-D58,663--[datamp][all]
161,387,659----[datamp][all]
231,388,740----[datamp][all]
301,388,875-D58,717--[datamp][all]