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

DATAMP Patents by Date for June 1920
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
11,341,696-D55,387--[datamp][all]
81,342,479----[datamp][all]
151,343,227----[datamp][all]
221,343,893----[datamp][all]
291,344,629----[datamp][all]