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

DATAMP Patents by Date for March 1923
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,447,266----[datamp][all]
131,448,044----[datamp][all]
201,448,745----[datamp][all]
271,449,368----[datamp][all]