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

DATAMP Patents by Date for March 1933
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
71,900,050----[datamp][all]
141,900,915----[datamp][all]
211,902,062-D89,511--[datamp][all]
281,902,878----[datamp][all]