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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0826631 (1986-02-06) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 3 |
A combination cart and boat boarding steps wherein a wheeled cart includes a load carrying body portion which when inverted is shaped to provide steps for use in boarding marine craft which are tied at dockside and wherein the steps may be selectively and securely locked to the dock to prevent any u
The combination of a cart and steps for use with boats tied along docks comprising a housing having side wall portions, a lowermost wall portion having inner and outer surfaces and at least one intermediate lower wall portion having inner and outer surfaces, said intermediate lower wall portion bein
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