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DATAMP Patents by Date for March 1927
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
11,618,993----[datamp][all]
81,619,831----[datamp][all]
151,620,824----[datamp][all]
221,621,495----[datamp][all]
291,622,466----[datamp][all]