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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 |
| 4913693 | Method of manufacturing a top gusset bag with integral handle A false gusset (12, 82) is positioned between bag panels (26, 28 and 98, 100) to form a bag having a handle (24, 80) at its upper end formed by upward continuations of the sides (26, 28 or 98, 100) of the bag (10, 78). This construction removes the false ... | 04/03/1990 |
