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 |
| 5419986 | Method of making a rechargeable manganese-oxide compound and related electrode material A method of making a rechargeable battery electrode material containing manganese oxide is provided. The method includes preparing an aqueous solution of manganese nitrate and dissolving bismuth nitrate into the solution. The mixture is heated to evaporat... | 05/30/1995 |
