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| Number | Title | Issue Date |
| 7134829 | Cargo trailer A trailer for carrying cargo includes a frame, at least two axles mounted to the frame, and a deck. The axles have wheels at opposite ends of the axles for movably supporting the frame above the ground. The deck is pivotally mounted to the frame and is pivotable abo... | 11/14/2006 |
| 6880651 | Articulated vehicle, an articulation device and a drive transmission An articulated vehicle is made up of two independently moveable vehicle bodies, for instance tracked vehicle bodies. The first vehicle body has an engine and the second one has a motor/generator. An articulation device connects them to allow the first vehicle body t... | 04/19/2005 |
| 6571893 | Light vehicle for sporting and off-road biking A vehicle for sporting and off-road driving includes a front and a rear component assembly and a joint arrangement. Each component assembly includes a plate mounted on a single flexible track and that is actuated by the single flexible track. The joint ar... | 06/03/2003 |
| 6533061 | Bolt-together hitch for articulated machine A bolt-together hitch for a machine having articulatable first and second sections, including a generally annular yoke member of cast steel having a cylindrical portion which is trunnion mounted by bearings in a longitudinal bore formed by the first secti... | 03/18/2003 |
| 6523629 | Tandem mobile robot system A robotic vehicle system for terrain navigation mobility provides a way to climb stairs, cross crevices, and navigate across difficult terrain by coupling two or more mobile robots with a coupling device and controlling the robots cooperatively in tandem.... | 02/25/2003 |
| 5113958 | Snow travel vehicle A snow travel vehicle for movement through deep snow which is characterized by a two-part articulated chassis, independent beam suspension for tracks on opposite sides of each of the chassis parts and a hydraulic drive system for the vehicle. The two part... | 05/19/1992 |
| 4909341 | Unmanned articulated vehicle A tracked vehicle of narrow aspect suitable for unmanned operation both in hazardous environments and on routes normally accessible only to pedestrians, comprises two identical vehicle units (1, 2) each having an independently drivable, full width track (... | 03/20/1990 |
| 4519470 | Self-propelled unit for propelling a person wearing snow skis along a rising snow path A self-propelled unit (3), usable by a skier for moving along a rising snow path, comprises a frame (7), rolling structure (12) for the movement of the self-propelled unit (3) along the snow, an engine (20) for driving the rolling structure (12), a transm... | 05/28/1985 |
