DC

Darrin Caldwell

Overall (All Time): #3,260,848 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D643876 Hinged paper voting ballot Elmore Miranda, Lester Wright, Jerry Wagoner, Brian Duffy, Randall Tweed +7 more 2011-08-23