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DATAMP Patents by Date for April 1961
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,977,696----[datamp][all]
112,978,803----[datamp][all]
182,979,903----[datamp][all]
252,980,995-D190,185--[datamp][all]