A hitch includes a vertically extending trunk portion, a first limb horizontally extending from the trunk portion and a second limb horizontally extending from the trunk portion below the first limb.
申请公布号
US2011221167(A1)
申请公布日期
2011.09.15
申请号
US20100723637
申请日期
2010.03.13
申请人
发明人
MERTEN DAVID J.;MUCHIN JAY Z.;POTEMPA MICHAEL M.;POTEMPA BRIAN S.
