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 |
| 4963962 | Optical surveillance assembly and camera A covert surveillance camera assembly comprises a dummy sprinkler head for camouflaging a camera. The sprinkler head has a pair of parallel arms and a mirror is mounted in a predetermined position relative to the camera and between the arms of the sprinkl... | 10/16/1990 |
| 4222662 | Access control system A photo I.D. card having the photograph, and/or signature, and/or coded indicia of an authorized holder which is visible under ordinary room illumination also carries a second photograph of the user. The second photograph is in the form of a transparency ... | 09/16/1980 |
| 4175775 | Access control system A photo I.D. card having the photograph, and/or signature, and/or coded indicia of an authorized holder which is visible under ordinary room illumination also carries a second photograph of the user. The second photograph is in the form of a transparency ... | 11/27/1979 |
