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| Number | Title | Issue Date |
| 7134677 | Foldable scooter A foldable scooter including a support device onto which a steerable front wheel is mounted and a rear carriage. The carriage is connected to the support device at the front of the carriage. The carriage is provided with at least one wheel at the rear. The carriage ... | 11/14/2006 |
| 6913271 | Pet buggy A wheeled vehicle or buggy for transporting aged, infirm, or disabled pets is provided. The buggy can also be used when the pet owner wants to go further than the pet can travel on its own. The buggy has a platform portion on which the pet can lay, substantially sur... | 07/05/2005 |
| 5692762 | Walker with glide assembly A walker is provided with a non-rotatable glide assembly that easily slides over the ground surface when a walker is lifted and advanced forwardly. As soon as a predetermined downward force is exerted on the walker legs, the glides retract and non-slip cr... | 12/02/1997 |
| 5474314 | Coaster board A coaster board operable on irregular terrain includes a longitudinally elongated platform supported on a pair of spaced suspension and steering systems. Each suspension and steering system includes a suspension rod and a cooperative steering bar. Each su... | 12/12/1995 |
| 5224724 | Scooter with simple harmonic drive A scooter having a simple harmonic drive including front and rear wheels, a frame connecting the two wheels, a steering mechanism for steering the front wheel, a platform of sufficient size to allow a rider to stand thereon, the platform being mounted to ... | 07/06/1993 |
| 4408772 | Sailing vehicle Disclosed herein is a sailing vehicle with a collapsible frame comprising two longitudinal supports, a plurality of identically constructed transverse struts detachably connected to the longitudinal supports, at least one sail mast, at least one seat, two... | 10/11/1983 |
| 4336952 | Vehicle with a balancing plane Transportation vehicle having a balance plane. In one embodiment the vehicle comprises a sitting skateboard including a pair of wheeled skateboard trucks mounted beneath an elongated planar platform, a balance board and a pair of handles being provided at... | 06/29/1982 |
| 4241932 | Wheelchair steering apparatus A wheelchair having a turntable rotatably mounted on one footrest thereof. The turntable is operatively connected to the mounting fork of a steering caster by means of an extended link and a lever bar whereby rotational movement of the turntable by the fo... | 12/30/1980 |
| 4020916 | Self-propelled shopping cart A shopping cart for use in supermarket stores that is propelled by a battery driven electric motor. The cart is in the form of a frame supported by four wheels, with an open shopping basket mounted in the forward and intermediate section of the frame and ... | 05/03/1977 |
