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 |
| 5074089 | Sealing device for facades and/or roofs The sealing device serves for tightly sealing the gap (6) between adjacent elements (1) of the inclined facade or roof against the access of water, by forming several sealing planes (A--A, B--B, C--C, D--D). To this effect a network of sealing pieces is c... | 12/24/1991 |
| 4195850 | Gasket strip for butt joint compression seal In order to form a tighter seal, especially at corner butt joints, between polygonal construction plate elements which are pressed together at their edges with an intervening gasket strip, the strip is provided at its critical sealing section with a secon... | 04/01/1980 |
