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DATAMP Patents by Date for March 1937
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
22,072,590----[datamp][all]
92,072,846----[datamp][all]
162,073,704-D103,579--[datamp][all]
232,074,371-D103,676--[datamp][all]
302,075,240-D103,894--[datamp][all]