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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0297131 (1994-08-29) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 159 인용 특허 : 0 |
A nose plug structure incorporating a filter is provided. The nose plug is integrally formed with a connecting piece and a pair of hollow columns formed on opposing sides of the connecting piece. In the middle of the connecting piece, a soft cover piece is positioned which can cover the exits of exh
An air filter nose plug, comprising: a substantially planar connecting plate member having opposing front and rear surfaces, said connecting plate member having a centrally disposed first opening formed therethrough and a pair of second through openings formed adjacent to and on opposing sides of sa
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