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 |
| 7247311 | Apparatus and methods for controlling insects in buildings and agricultural uses Insect barriers for building structures include rigid foam sheets and sheets of film or mesh formed of polymer material impregnated throughout with a synthetic pyrethroid insecticide such as permethrin. Foam sheets are applied to exterior and interior surfaces of fo... | 07/24/2007 |
