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 |
| 6988401 | Seal for a fluid meter and a meter equipped therewith A seal is mounted in a groove around an orifice of a measuring chamber inserted in an insertion direction into a tank to form a fluid meter. The seal comprises a radially elastic torus having a shape corresponding to that of the orifice and an arrangement on at leas... | 01/24/2006 |
| 4307601 | Apparatus for calibrating flow meters and the like Measuring apparatus for calibrating flow meters and the like comprising a piston slidably mounted within piston cylinder means which receives gas passing through the flow meter being calibrated to cause the piston to be lifted. A precision encoder is rota... | 12/29/1981 |
