Posts Tagged: "bird feeder"

Obscure Patent: Squirrel Teasing Bird Feeder

Squirrel teasing hanger assembly for a bird feeder [PDF ] [ HTML ] US Patent No. 6,619,229 Issued September 16, 2003 The patent explains that several types of bird feeders have been designed for preventing unwanted animals such as squirrels from eating the bird food in the feeder. The purpose of this invention, however, is not to get rid of…