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DATAMP Patents by Date for October 1938
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,131,871-D111,564--[datamp][all]
112,132,483----[datamp][all]
182,133,593----[datamp][all]
252,134,133RE20,893D111,907--[datamp][all]