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

DATAMP Patents by Date for March 1957
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
52,783,782----[datamp][all]
122,784,482----[datamp][all]
192,785,591----[datamp][all]
262,786,396----[datamp][all]