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 |
| 6958645 | Belt type fixing device A belt type fixing device of the invention comprises a fixing belt, a heating panel, a pressure member, and a pressure roller. The heating panel has a curved outer surface in sliding contact with the inner surface of the fixing belt and a curved inner surface on whi... | 10/25/2005 |
| 5185102 | Polymeric charge transfer complexes for nonlinear optical applications This invention provides an optical medium and a process therefor wherein the medium exhibits third order nonlinear optical response and comprises a polymer with pendant groups having delocalized pi-electron character forming a charge transfer complex with... | 02/09/1993 |
| 4498198 | Binary signal decoding apparatus and method An apparatus and method is provided for decoding a transmitted comma free coded signal, having a plurality of bits and two message frequencies, and suitable for application in controlling the passenger doors of a vehicle station. A sampling of the signal ... | 02/05/1985 |
