Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 6804170 | Multiple-display device A multiple-display device includes at least three body members disposed in juxtaposition. At least two of the body members are movable between first and second positions. Each body member has a display-In the first position at least two of the displays are hidden an... | 10/12/2004 |
| 4677446 | Watchman's clock The present apparatus concerns round monitoring and includes a portable recording device together with a plurality of keys for indicating different locations through which a watchman is to pass. In order to simplify the drive mechanism of the apparatus, t... | 06/30/1987 |
| 4567459 | Transmission method for variable measured values from vehicle wheels utilizing ambient temperature compensation In a transmission method for variable parameters from loaded vehicle wheels, wherein energy is transmitted to a secondary coil (5) mounted concentrically on a wheel during varying excitation by a primary coil (2) integral with a vehicle, and an informatio... | 01/28/1986 |
| 4468650 | Low tire pressure alarm system A tire pressure alarm system primarily adapted for the monitoring of tire pressure in the pneumatic tires of coaxial dual wheels on a vehicle including a pneumatic cylinder mounted diametrically on the hub of the outboard wheel and having its end portions... | 08/28/1984 |
