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DATAMP Patents by Date for February 1927
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
11,616,136----[datamp][all]
81,616,577----[datamp][all]
151,617,403-D72,049--[datamp][all]
221,618,170----[datamp][all]