CC

Charles B. Coerver

UB U.S. Ring Binder: 1 patents #5 of 11Top 50%
Overall (All Time): #2,222,261 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6203229 Bolt action ring binder assembly — 2001-03-20
6179508 Ring binder — 2001-01-30