Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| D597684 | Spa step assembly | 08/04/2009 |
| D582568 | Stair for water | 12/09/2008 |
| D566298 | Stackable precast concrete stairwell unit | 04/08/2008 |
| 7302906 | Boat construction with stowable seat A boat having a jump seat is provided. The boat includes a boat hull having a recessed passenger compartment. The jump seat includes a support assembly comprising a support deck and a sleeve. A seat cushion is provided for selectively resting on a portion of the dec... | 12/04/2007 |
| D556345 | Swimming pool staircase | 11/27/2007 |
| D550374 | Spa step assembly | 09/04/2007 |
| 7162969 | Boat Platform A platform unit (2) is seated on the tail (5) of a hull (1) of a boat and may be lowered by powered actuator means (8) down guides (7) on an incline (6) to descend into the water. This exposes steps (62) in the inclin... | 01/16/2007 |
| D512518 | Pool steps | 12/06/2005 |
| D507662 | Swimming pool steps | 07/19/2005 |
| 4584725 | Retractable squat-facilitation toilet footrest Housing-retractable footrests are disposed on both sides of a conventional toilet, in a spatial relationship to the plane defined by the toilet seat which inclines the femurs of the toilet user into a healthful squatting position when the user's feet are ... | 04/29/1986 |
| 4580777 | Exercise walkway An exercise walkway has a pair of aligned stairways that are arranged end to end and have a horizontal section therebetween so that a person may walk up one and down the other. Each stairway has a central handrail and the stairs on either side of it are o... | 04/08/1986 |
| 4023647 | Freestanding ladder structure A freestanding ladder structure has a first base member arranged on one side of an object to be bridged, a second base member arranged on the other side of the object, and a raised platform supported above the object by two ladder members having their low... | 05/17/1977 |
