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Retractable leash
专利权人:
发明人:
Carolyn OBrien,John C. Evans
申请号:
US14018138
公开号:
US09414571B2
申请日:
2013.09.04
申请国别(地区):
US
年份:
2016
代理人:
摘要:
The present invention is a two or more subject retractable leash retractable leash, and methods of use regarding the same, which includes a roll-back feature on the retractable leash. The leashes may be locked in place by engaging a single lever. The leashes retract regardless of whether the spools are locked or unlocked. The leashes retract independently of the other leashes, such that a dual leash may be used to walk one subject.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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