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

DATAMP Patents by Date for January 1928
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
31,654,703----[datamp][all]
101,655,580-D74,243--[datamp][all]
171,656,180----[datamp][all]
241,657,434----[datamp][all]
311,657,659----[datamp][all]