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 |
| 7165596 | Shade for preventing rain from entering an open double hung window of any width A shade for preventing rain from entering an open double hung window of any width. A pair of side panels extend rearwardly from opposite ends of a front panel so as to form an assembly for attaching to the double hung window by an apparatus. Each side panel is right... | 01/23/2007 |
| 6929542 | Air flow deflector Air deflector for deflecting an air flow from an air register including a pair of mounting members adapted to be mounted on opposite sides of a venting member of the air register device and a laterally expandable guide member arranged between the mounting members. T... | 08/16/2005 |
| 5454755 | Window ventilator A ventilator for slider type windows is provided, the ventilator having triangular end members and one or more bridging members extending therebetween. The ventilator is positionable between fixed and movable portions of the window and deflects incoming a... | 10/03/1995 |
| 5256105 | Washable seamless clean room A modular clean room structure in which the interior is finished without any seams between adjacent modules or crevices at the corners of the room such that the room can be easily sterilized. The seamless nature of the interior surface of the clean room e... | 10/26/1993 |
| 5088540 | Window rainshield apparatus An apparatus arranged for mounting interiorly of a window between a lowermost window sash and a window sill provided with spaced triangular side walls an a telescoping forward housing receiving a shield plate therewithin. Both the shield plate and housing... | 02/18/1992 |
