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 |
| 3940427 | Azidosulfonyl compounds Diazidosulfonyl-containing aromatic carboxylic acids useful as blowing agents, cross-linkers, adhesion promoters and in the production of azido-silane coupling agents.... | 02/24/1976 |
