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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0039466 (1998-03-16) |
발명자 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 44 인용 특허 : 6 |
An exercizing device which includes a pair of handles which are connected to an elastic cord. At the approximate midpoint of the length of the elastic cord, there is mounted a loop strap. The loop strap is to be conducted between a door and a doorjamb with the loop strap being mounted on the doorkno
1. In combination with a door of a building structure, said door being mounted within an opening and being movable between an open position permitting passage through said opening to a closed position preventing passage through said opening, a jamb surrounding said door, said door having an interior
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