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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.
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| Number | Title | Issue Date |
| 4564249 | Miniature washing machine box A washing machine outlet box of the type capable of fitting within a wall and attaching to wall studs within this wall is improved by incorporating during the manufacture of said washing machine outlet box a disc as an integral part of the bottom wall, wi... | 01/14/1986 |
| 4484424 | Roof vent A roof vent includes a plate and a housing integrally formed together. An opening in the plate extends upwardly into the hollow interior of the housing. A partition located within the housing divides the interior of the housing into an upper and lower sec... | 11/27/1984 |
| 4442994 | Pipe hanger capable of totally encircling a pipe A pipe clamp is formed with a body and the body includes a wall. The wall is formed as a loop which completely surrounds an aperture except for an interstice opening through the wall into the aperture. The portions of the wall located on either side of th... | 04/17/1984 |
| 4400920 | Apparatus for securing pipe In high-rise and mid-rise buildings wherein a concrete slab serves as a floor for one level and a ceiling for the level below it, it is necessary to secure vertical plumbing pipes to the slab wherein the plumbing pipes penetrate the slab through holes pas... | 08/30/1983 |
