Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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 |
| 6978578 | Panel unit of controllable light transmissivity The invention provides a panel unit of controllable radiation transmissivity, including a housing constituted by a front, radiation-receiving panel and a rear panel, the panels being spaced apart and connected to one another by connecting means; a plurality of rotat... | 12/27/2005 |
| 5619821 | Easily-installed quick-release locking modular security grill with optionally affixed penetration-resistant rotating fins serving as louvers and as a security shield A spring-loaded quick-release mechanism to a locking security grille is triggered by (i) manual activation, preferably through a foot switch, or (ii) fire, typically through a thermal fuse. Fins incorporated in, and/or affixed to the bars of, a security g... | 04/15/1997 |
| 4463685 | Protective device against aggressions The invention relates to a protective device against aggression. The protective device against aggression is designed to close the free space situated above the tray of a counter or cash-desk rapidly from below upwards. The closing means comprise a tray movabl... | 08/07/1984 |
| 4170947 | Security window A security window has a non-transparent bullet resistant screen between the people on either side of the window. Because this screen cannot be seen through, an arrangement of mirrors (two on each side of the screen) is provided to reflect images from each... | 10/16/1979 |
| 4005662 | Armor window An armor window through which air, sound and sight without inversion will pass freely yet sight can be selectively obstructed and at all times the flight of a propelled element at any angle will be obstructed by at least two spaced angle iron members with... | 02/01/1977 |
