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DATAMP Patents by Date for March 1932
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
11,847,278----[datamp][all]
81,848,330----[datamp][all]
151,849,094----[datamp][all]
221,850,137----[datamp][all]
291,851,142-D86,599--[datamp][all]