Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 4412473 | Calculator for guitar chords An electronic device in the nature of a hand-held calculator, for illustrating on the display area required string and fret positions of a fretted stringed instrument to be fingered to play the notes making up a particular chord. The device comprises a se... | 11/01/1983 |
