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

DATAMP Patents by Date for September 1947
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
22,426,621----[datamp][all]
92,427,059----[datamp][all]
162,427,493-D147,502--[datamp][all]
232,427,924----[datamp][all]
302,428,049----[datamp][all]