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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0877712 (1997-06-18) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
A voice emitting pin is provided including a housing with a back opening and an interior space. Further provided is a back cover for releasably engaging the back opening of the housing. Also included is a pin assembly coupled to a rear surface of the back cover with an associated pin, whereby the pi
[ What is claimed as being new and desired to be protected by Letters Patent of the United States is as follows:] [2.] A voice emitting pin comprising:a housing with a back opening and an interior space;a back cover for releasably engaging the back opening of the housing;a pin assembly coupled to a
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