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 |
| 6955499 | Adjustable utility access A utility access device and method includes telescoping, elongated upper and lower sleeves with an inclined upper edge. An angled ring is rotatably disposed on the inclined upper edge and has upper and lower opposite edges forming an inclined angle. The angled ring ... | 10/18/2005 |
| 6799920 | Angle adjustable utility access and method An adjustable utility access device and method includes a pair of angled rings disposed between a utility and a cover. The angled rings can include a frame and a rotatable ring. A angular scale can be disposed on one of the rings to indicate the angle formed by the ... | 10/05/2004 |
| 6695526 | Adjustable manhole apparatus A manhole access for sewers. More particularly, the present invention relates to a manhole that is adjustable in height and/or pitch to allow the top of the manhole top section to conform to the pitch of a surrounding surface, such as a road. Specifically... | 02/24/2004 |
| 6524026 | Adjustable height utility access device The present invention relates to a height adjustable utility access device, such as a manhole, which adjusts in height to allow a top of a cover to sit flush with the surrounding surface, such as a road. The device has a cover which covers access to the u... | 02/25/2003 |
| 6520713 | Height and angle adjustable utility access device and method The present invention relates to a device and method for adjusting a height and an angle of a cover for a utility access, such as a manhole, to allow a top of the cover to sit flush with the surrounding surface, such as a road. The device has a cover whic... | 02/18/2003 |
| 6457901 | Adjustable manhole apparatus A manhole access for sewers. More particularly, the present invention relates to a manhole that is adjustable in height and/or pitch to allow the top of the manhole top section to conform to the pitch of a surrounding surface, such as a road. Specifically... | 10/01/2002 |
