B - Operations – Transporting – 42 – F
Patent
B - Operations, Transporting
42
F
B42F 13/08 (2006.01) B42F 13/06 (2006.01)
Patent
CA 2411481
A clasp for use in fastening loose sheets of paper together in a binder and like usages having three pins for entry in holes in the papers and other items to be fastened together, thereby effecting a triple fastening.
Chan Keung
To Chun Yuen
Leco Stationery Manufacturing Company Limited
Smart & Biggar
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