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

DATAMP Patents by Date for January 1917
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,210,558-D50,119--[datamp][all]
91,211,882----[datamp][all]
161,212,194----[datamp][all]
231,213,452----[datamp][all]
301,213,888----[datamp][all]