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 |
| 5211114 | Offshore structure pulling system A pulling system for pulling or moving a large object, such as pulling components of an offshore oil/gas production platform onto an adjacent barge that is subsequently transported to the installation site. This pulling system incorporates a single elonga... | 05/18/1993 |
| 4759439 | Drive mechanism This invention provides a drive system for moving wheeled structures longitudinally along a supporting track. The drive system includes an element extending longitudinally below the track and having an upwardly inclined ramp portion, a main portion extend... | 07/26/1988 |
| 4126850 | Automatic release mechanism for a tether Warning lights are releasably secured, by means of clamps, along the length of a cable employed as a tether for a balloon. The cable passes through a relatively stationary, conically shaped cam at the base of the cable. As the balloon is winched back to e... | 11/21/1978 |
