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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 |
| 4413286 | Method and apparatus involving digital screen generation A method and apparatus involving the generation of a digital screen at different screen angles for reproducing an image in raster form as a series of adjacent picture elements disposed along a plurality of adjacent parallel lines. The digital screen is ge... | 11/01/1983 |
| 4024518 | Method and apparatus for position referencing the rotating drum of a scanner/plotter A method and apparatus are disclosed for referencing the position of a rotatable drum in a scanner/plotter. The rotatable drum is rotatable held in axial alignment by means of a drum headstock and a spring loader, moving center tailstock. An optical shaft... | 05/17/1977 |
| 4004079 | Method and apparatus for dual resolution photographic reproduction of line and continuous tone graphic materials A method and apparatus are disclosed for producing photographic reproductions of line and continuous tone graphic materials. The invention is useful in the newspaper field for opto-electrically producing plate-ready negatives or plates themselves from lin... | 01/18/1977 |
