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经营范围
发明名称
Football helmet motion restrictor
摘要
A football helmet motion restrictor is provided which can be adjusted to vary its size, and does not reduce the size of the neck opening of the shoulder pads to which the motion restrictor is mounted.
申请公布号
US5404590(A)
申请公布日期
1995.04.11
申请号
US19930130653
申请日期
1993.10.01
申请人
RIDDELL, INC.
发明人
MONICA, JR., THEODORE A.
分类号
A63B71/12;(IPC1-7):A41D13/00
主分类号
A63B71/12
代理机构
代理人
主权项
地址
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