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

DATAMP Patents by Date for December 1923
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,475,950----[datamp][all]
111,477,052----[datamp][all]
181,477,562----[datamp][all]
251,478,472----[datamp][all]