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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 3990984 | Liquid crystal material with stabilizing agent Liquid crystals subjected to an electric field are stabilized by the addition of an electrochemically active and chemically stable material capable of undergoing reversible oxidation-reduction at the electrodes applying the field to the material. The inve... | 11/09/1976 |
