Patent ID: 7823926

Claim:
A dual notebook comprising: a sheet of backing material; a first set of papers bound to said backing material and having a thickness; a second set of papers bound to said backing material and having a thickness; a first binding mechanism binding said first set of papers to said backing material the first binding mechanism being comprised of a first plurality of twin-wire coils; and a second binding mechanism binding said second set of papers to said backing material, the second binding mechanism being comprised of a second plurality of twin-wire coils, wherein said backing material is configured to be folded into a folded position wherein said folded backing material is positioned between said first and second set of papers in a thickness direction of said notebook, and wherein said backing material is movable to a flat position wherein said backing material is generally flat, and wherein at least a first coil of the first binding mechanism is configured to be received between a corresponding pair of second coils of the second binding mechanism to retain said notebook in said folded position.