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 |
| 5617685 | Method and apparatus for increasing the shear strength of a construction structure In order to strengthen an elongated or a two-dimensional bearing construction structure (1) against shear forces, at least one pre-stressing means (11) is mounted in a slack or pre-stressed manner on or in the structure cross-section (4) to generate a pre... | 04/08/1997 |
