发明名称 Bowling ball support for the forearm
摘要 A bowling device that consists of a molded plastic slightly curved rectangle, approximately 4''x5'' and 1'' thick, which is attached with an adjustable Velcro strap to either lower arm, immediately above the wrist to act as a support for a bowling ball. The curved portion of the device is approximately of the same curvature as the surface of most bowling balls.
申请公布号 US5201874(A) 申请公布日期 1993.04.13
申请号 US19910725298 申请日期 1991.07.03
申请人 KIEHN, WALTER 发明人 KIEHN, WALTER
分类号 A63D5/00 主分类号 A63D5/00
代理机构 代理人
主权项
地址