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DATAMP Patents by Date for September 1927
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,641,158----[datamp][all]
131,642,044RE16,737---[datamp][all]
201,642,668----[datamp][all]
271,643,327----[datamp][all]