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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0290341 (1994-08-12) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 84 인용 특허 : 0 |
A credit/service card with expanded surface area comprises a first card member, a second card member and a hinge connecting the two card members. The credit/service card also comprises a fastener for holding the first and second card member together when the credit/service card is in the closed posi
A method of using a credit/service card comprising: a) providing a credit/service card with increased surface area which comprises a first card member and a second card member; b) hinging the first card member to the second card member wherein in a closed position the first card member is releasably
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