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 |
| 4033291 | Apparatus for liquid-phase epitaxial growth An apparatus for liquid-phase epitaxial growth is characterized in that the greater part of that surface of a well, made of carbon, which contacts with a solution for liquid-phase epitaxial growth is covered with a fused quartz layer.... | 07/05/1977 |
| 3951699 | Method of manufacturing a gallium phosphide red-emitting device A method of manufacturing a gallium phosphide (GaP) red-emitting device by forming at least one n-type GaP layer on an n-type GaP substrate by the liquid phase epitaxial growth process and further depositing a p-type GaP layer on said n-type GaP layer, th... | 04/20/1976 |
| 3934260 | Red light-emitting gallium phosphide device A red light-emitting gallium phosphide device provided with a p-n junction contributing to the emission of light, wherein the maximum concentration of an oxygen donor in a depletion layer surrounding the p-n junction ranges from 1 × 1012 cm | 01/20/1976 |
