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 |
| 4155485 | Pump devices for dispensing fluids A spring actuated pump device is mounted on a container for fluid, the device including a pump chamber into which fluid from the container can flow, the spring forcing a cylinder structure against the fluid in the chamber to pressurize it, in order that o... | 05/22/1979 |
| 4033700 | Dispenser for fluent material A roll-on dispenser comprises a generally tubular barrel having an open forward end and a generally tubular ball-carrying member having an open rear end which is slidably received in the chamber of the barrel. The ball-carrying member has a ball applicato... | 07/05/1977 |
| 3991775 | Cosmetic applicator A cosmetic applicator, such as a lipstick applicator, includes an inner cosmetic holder or cup in which a cosmetic mass or lipstick is securable, and which is disposed within a carrier sleeve fixed to a base and surrounded by a tubular member having an in... | 11/16/1976 |
