In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7311161 | Hospital bed having a drive wheel unit A hospital bed includes a carrier frame, a driven wheel unit disposed below the frame, a motor unit, a drive wheel unit disposed below the frame and coupled operably to the motor unit in such a manner that actuation of the motor unit results in rotation of the drive... | 12/25/2007 |
| 7263424 | Apparatus and method for controlling driving force supplied to wheels on opposite sides of vehicle An apparatus for controlling driving forces supplied to left and right wheels of a vehicle, for effectively inhibiting oversteer and understeer states, includes driving force adjusting device for adjusting driving forces supplied to the left and the right rear wheel... | 08/28/2007 |
| 7191048 | Vehicle motion control apparatus A vehicle motion control apparatus is provided for performing a vehicle stability control on the basis of a parameter indicative of lateral margin for a tire on a road. The apparatus includes a steering control device for controlling a relationship between a steerin... | 03/13/2007 |
| 4369854 | Parking devices for vehicles A parking device for a motor vehicle comprises a pair of parking rollers rotatably mounted in respective roller mounting members which are connected to respective ends of an extensible power means (e.g. a hydraulic ram) and which are arranged to be transp... | 01/25/1983 |