Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7338061 | Stabilized vehicle using articulating joint The present invention provides a critical breakthrough in wheeled vehicle concepts, by enabling stable vehicle operations, where wheelbase configuration varies in relation to the need for roll preventing force. This enables a new form of automobile that is especiall... | 03/04/2008 |
| 7114909 | Trailer-tilting, load-discharge apparatus and method A trailer unloading system anchors one or more trailers to a deck, with, or without tractor attached. The sides of the trailers are free to pivot from a top, longitudinal, pivot axis once unlatched from the edge of the trailer floor. The deck tilts the trailers side... | 10/03/2006 |
| 6454289 | Trailer hitch cart for a motorcycle A trailer hitch cart for a motorcycle comprises a two-wheel cart having a U-shaped frame, with a lateral frame member, a first longitudinal frame member extending forward from one end of the lateral frame member, and a second longitudinal frame member ext... | 09/24/2002 |
| 6000708 | Self tracking land vehicle A self tracking land vehicle includes a number of cargo or passenger cars and a drive car. Each cargo car may have a chassis with a standardized container mounted on it. At least front and rear axles which have at least two inflatable tires each are provi... | 12/14/1999 |
| 4887831 | Convertible hitch for mobile equipment A convertible hitch for mobile equipment includes a first hitch plate attached to the mobile equipment and having a king pin protruding from a central portion thereof, and a second hitch plate with a central aperture mounted on a wheel and axle assembly w... | 12/19/1989 |
| 4589670 | Convertible truck/trailer assembly and method A truck and trailer assembly adapted to travel over the road in a traveling mode, where the trailer is spaced a substantial distance from the truck, and also adapted to operate in a maneuvering mode where the trailer is more closely coupled to the truck, ... | 05/20/1986 |
| 4526394 | Apparatus for converting a trailer having a cantilevered reach into a trailer having a reach extending between spaced-apart sets of wheels A wheeled dolly is provided having a fixed coupler which permits the dolly to rigidly connect to the end of the cantilevered reach of a wheeled trailer. The dolly and trailer can be connected together to form a trailer having a reach extending between spa... | 07/02/1985 |
