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

DATAMP Patents by Date for April 1962
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
33,027,581----[datamp][all]
103,028,768----[datamp][all]
173,029,499-D192,614--[datamp][all]
243,030,710----[datamp][all]