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DATAMP Patents by Date for March 1935
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,993,132-D94,788--[datamp][all]
121,993,742-D94,855--[datamp][all]
191,994,497RE19,501---[datamp][all]
261,995,687----[datamp][all]