发明名称 Tunnelboard snowboard
摘要 The novel tunnelboard snowboard is designed to offer unique and superior tracking characteristics, dampening and spring characteristics as well as providing improved turning characteristics. This new snowboard invention utilizes a new flow-through tunnel design with sharpened orthogonal protrusions imbedded therein.
申请公布号 US6224085(B1) 申请公布日期 2001.05.01
申请号 US20000480565 申请日期 2000.01.10
申请人 CRUZ MARK 发明人 CRUZ MARK
分类号 A63C5/03;A63C5/04;A63C5/048;A63C5/075;(IPC1-7):A63C5/04 主分类号 A63C5/03
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