Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 4354858 | Method for filtering particulates Electrically charged particulates in a gas stream are filtered from the gas stream by a filter medium comprising a porous cake composed of electrically charged particulates previously drawn from the gas stream and collected on a foraminous support structu... | 10/19/1982 |
