...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 |
| 5591144 | Drainage bag The invention provides a drainage bag (e.g. an ostomy bag or the like) for receiving bodily waste, the drainage bag comprising a water-impermeable outer bag; a water-impermeable inner bag enclosed therein; and an orifice to enable bodily waste to be recei... | 01/07/1997 |
| 4459706 | Disposable protective cap and process and apparatus for its production The invention relates to a disposable protective cap, particularly a disposable nurse's cap. The cap is formed from a rectangular sheet of nonwoven fabric having a pair of opposed side edges and a pair of opposed end edges. The sheet is pleated along long... | 07/17/1984 |
| 4453276 | Disposable protective headwear and process and apparatus for its production This invention relates to an item of disposable protective headwear, particularly surgical headwear. The headwear has a crown-piece formed from a rectangular sheet of nonwoven fabric, e.g . a viscose rayon nonwoven fabric, having a pair of opposed side ed... | 06/12/1984 |