Home | FAQ Search: Advanced | Person | Company | Type | Class Login
Quick search:
Patent number:
Patent Date:

DATAMP Patents by Date for April 1936
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
72,036,657-D99,190--[datamp][all]
142,037,262----[datamp][all]
212,038,422----[datamp][all]
282,038,810-D99,473--[datamp][all]