2023年7月27日发(作者：)
专利内容由知识产权出版社提供专利名称：Tow hitch发明人：Thomas A. Gries申请号：US13080122申请日：20110405公开号：US08684389B2公开日：20140401专利附图：摘要：A tow hitch comprises an elongated tubular shank of rectangular cross-sectionhaving four side walls; and at least one tow ball mounted to an adjacent side wall of theshank with a mounting shank extending from a base of the tow ball through a first hole inthe adjacent side wall and a second hole in a side wall opposite the adjacent side wall.申请人：Thomas A. Gries地址：Solon OH US国籍：US代理机构：Renner, Otto, Boisselle & Sklar, LLP更多信息请下载全文后查看
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