![Amazon.com: Opinel Carbon Steel Folding Pocket Knife - Every Day Carry Blades with Viroblock Safety Lock and Wooden Handle (No. 10) (2540109) : Sports & Outdoors Amazon.com: Opinel Carbon Steel Folding Pocket Knife - Every Day Carry Blades with Viroblock Safety Lock and Wooden Handle (No. 10) (2540109) : Sports & Outdoors](https://m.media-amazon.com/images/I/71e303odm6L._AC_UF350,350_QL80_.jpg)
Amazon.com: Opinel Carbon Steel Folding Pocket Knife - Every Day Carry Blades with Viroblock Safety Lock and Wooden Handle (No. 10) (2540109) : Sports & Outdoors
![Is it legal to use an opinel locking system patent? What I see on USPTO is that the patent is expired, so I want to use it, does anyone know? : r/knives Is it legal to use an opinel locking system patent? What I see on USPTO is that the patent is expired, so I want to use it, does anyone know? : r/knives](https://i.redd.it/scntsngr4p691.png)
Is it legal to use an opinel locking system patent? What I see on USPTO is that the patent is expired, so I want to use it, does anyone know? : r/knives
Opinel No. 06 Folder Classic Carbone @ SRKT Satin Mirror Polished High Carbon XC90 Steel Trailing Point Blade Beechwood Handle Virobloc Safety Ring
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