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DATAMP Patents by Date for May 1956
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
12,743,638-D177,558--[datamp][all]
82,744,311-D177,636--[datamp][all]
152,745,229----[datamp][all]
222,746,066-D177,767--[datamp][all]
292,747,271-D177,802--[datamp][all]