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 |
| 5685978 | Reclaiming the constituent components of separating and uncured concrete A portable, self-contained concrete reclaimer for use at construction sites to collect, break-down, and transport uncured waste concrete washed from concrete delivery equipment, to recycling facilities for use in the manufacture of fresh concrete. The con... | 11/11/1997 |
| 4534858 | Sifter A sifter has a casing that is detachably coupled with a screen unit that also has a casing. A sifter handle is configured for detachable coupling to a conventional electric knife drive.... | 08/13/1985 |
