AC

Arthur T. Constantine

C- C-Lock: 1 patents #3 of 7Top 45%
Overall (All Time): #2,269,341 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5618122 Molded plastic one-piece loose-leaf binder ring structure — 1997-04-08
D356112 Ring binder — 1995-03-07