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-0365671 (1994-12-28) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 0 |
The present invention is directed to a shield capable of inhibiting squirrels from eating bird seed from a bird feeder. The present invention comprises an enclosure having a cavity capable of housing bird seed, a perch attached to the enclosure and located below the hole, and a shield located offset
A bird feeder comprising: an enclosure having a cavity capable of housing bird seed, the enclosure having a hole to allow bird seed housed in the cavity to escape therefrom; a perch attached to the enclosure, the perch capable of holding a bird thereon for feeding through the hole; a shield located
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