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 |
| 4960546 | Diffuser mounting arrangement for waste water aeration systems An improved mounting bracket for mounting diffusers on submerged air lateral pipes in a waste water treatment system. Each mounting bracket includes a pair of complemental saddle sections which can be clamped securely yet releasably on the air lateral wit... | 10/02/1990 |
