B - Operations – Transporting – 42 – F
Patent
B - Operations, Transporting
42
F
B42F 13/16 (2006.01) B42F 13/26 (2006.01)
Patent
CA 2179688
A ring binder having support plates for ring members, and controlling means for opening, closing and locking of the ring members.
Leco Stationery Mfg. Co. Ltd.
Ridout & Maybee Llp
LandOfFree
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