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 |
| 6363745 | Cut cornered square mixed-cut gemstone A cut cornered mixed-cut square gemstone comprises a step-cut crown, with two steps and a table, a girdle and a pavilion. The crown and pavilion are substantially square with four equal sides, and corners about 1/3 the length of the sides. The pavilion si... | 04/02/2002 |
| 6029528 | Earring force tester An earring force tester for clip-on type earrings detects the spring force of an earring and provides a visual output signal including whether the spring force is above (too tight), below (too loose) or within an acceptable range of force. The output sign... | 02/29/2000 |
| 5970744 | Cut cornered square mixed-cut gemstone A cut cornered mixed-cut square gemstone comprises a step-cut crown, with two steps and a table, a girdle and a pavilion. The crown and pavilion are substantially square with four equal sides, and corners about 1/3 the length of the sides. The pavilion si... | 10/26/1999 |
| 5323363 | Timepiece with simultaneous time display for at least two time zones A timepiece for simultaneously indicating the time for at least two time zones, the timepiece comprising a watch movement; a dial, an hour indicating hand and a minute indicating hand, the hour indicating and minute indicating hands being mounted for rota... | 06/21/1994 |
