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DATAMP Patents by Date for March 1941
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,233,562----[datamp][all]
112,234,775----[datamp][all]
182,235,321-D125,938--[datamp][all]
252,236,333----[datamp][all]