Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7312590 | Model railroad velocity controller Control over velocity of a model train may be determined based upon the speed of rotation of a control knob. A processor receives electronic pulses indicating rotation of the knob beyond a predetermined increment of angular distance. The processor calculates the amo... | 12/25/2007 |
| 7264207 | Model track layout representation A method and apparatus for determining a model vehicle layout by moving a vehicle around the track and noting when the vehicle passes track position detection elements. The vehicle can either detect the position detection elements, or the position detection elements... | 09/04/2007 |
| 7221113 | Touch-sensitive model train controls A model vehicle control apparatus. A button controls an aspect of the model vehicle system, or multiple aspects, such as both sound and control. The button is configured to provide more than two outputs depending upon the manner of activation by a user based on pres... | 05/22/2007 |
| 6848657 | Dynamic self-teaching train track layout learning and control system A method and apparatus for determining a model vehicle layout by moving a vehicle around the track and noting when the vehicle passes track position detection elements. The vehicle can either detect the position detection elements, or the position detection elements... | 02/01/2005 |
