최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0057308 (1998-04-08) |
발명자 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 20 인용 특허 : 12 |
An exercise device that includes a support member disposed in a predetermined position by a mounting unit. A resistive ring secured to the support member, wherein the resistive ring includes a first ring and a plurality of resistive members connected to the first ring. A head harness connected to th
[ What is claimed is:] [1.] An exercise device, comprising:a support member disposed in a predetermined position;a resistive ring secured to said support member, wherein said resistive ring includes an outer ring, an inner ring and a plurality of resistive members connected between said outer ring a
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