发明名称 Bird feeders
摘要 A wild bird feeder with separate compartments and adjustable dispensing means for seeds of various sizes so that a greater variety of the preferred smaller birds can feed. Novel means are also provided for protecting the seed from rain and from destructive animals and for providing adjustable perches to attract the preferred smaller birds and to permit either hanging or post mounting of the feeder.
申请公布号 US4188913(A) 申请公布日期 1980.02.19
申请号 US19770865423 申请日期 1977.12.29
申请人 BROWN, ALEXANDER M;EARL, NORMAN M 发明人 BROWN, ALEXANDER M;EARL, NORMAN M
分类号 A01K39/01;(IPC1-7):A01K39/01 主分类号 A01K39/01
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