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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0971795 (1978-12-21) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
Disclosed is a combination safety device and gutter protector for use with a ladder which is leaned at an angle to the wall of a house or the like, the upper ends resting laterally secure against a relatively narrow extending surface of the device and not against the outer edge of a gutter installed
An “H”shaped gutter protection device composed of two parallel stanchions connected one to another by a crossmember, each of said stanchions having a longitudinal passageway therethrough adapted to receive a nail and each of said stanchions having a foot means attached thereto, said foot means havin
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