Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 5575993 | Ionene polymers containing biologically-active anions Ionene polymers having biologically-active organic and/or inorganic anions are described. Methods to prepare the ionene polymers, compositions containing them and their methods of use are also described.... | 11/19/1996 |
| 5437845 | Apparatus for activating carbon-containing material The apparatus for activating carbon-containing material has an inlet for feeding carbon-containing material into a drum-shaped reactor, which is arranged so that its axis is substantially horizontal and has a cylindrical helix for moving the material abou... | 08/01/1995 |
| 4970055 | Carbon generator An apparatus and method for recovering carbon from a carbon-containing gas are provided. The apparatus comprises a burner assembly adapted to deposit carbon from the carbon-containing gas on the interior surface of a rotatable cylinder that is disposed in... | 11/13/1990 |
