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

DATAMP Patents by Date for October 1931
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,825,873----[datamp][all]
131,826,739----[datamp][all]
201,827,763----[datamp][all]
271,828,873----[datamp][all]