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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0609171 (2009-10-30) |
등록번호 | US-8292030 (2012-10-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 10 |
An anchoring device, system and method. The anchoring device, system and method can include one or more rolling hook devices designed to couple or be secured to a projection such as those associated with rooftops. The rolling hook devices can include an arched member and any number of wheels to faci
1. An anchoring device, comprising: a first axle coupled to a first wheel and second wheel;a second axle coupled to a third wheel and fourth wheel; andan asymmetric arched member, the arched member coupled to the first axle and the second axle, the arch member further sized and shaped to fit around
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