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 |
| 7051464 | Illuminating rail system An illuminating rail system comprising a rail defined by an elongate rear surface and an elongate bottom surface, the rear surface attached to a wall outside the system, the bottom surface upwardly recessed to define along the rail a front panel, a rear panel, and a... | 05/30/2006 |
| 6715225 | Illuminated exit bar An illuminated exit bar incorporates a light source within the elongated space defined between a door-mounted housing and a push bar. The push bar defines an elongated opening for light generated within the exit bar. An exit plate covers the push bar opening and def... | 04/06/2004 |
| 5138779 | Animated button utilizing shape memory wire A battery operated animated button is disclosed which is worn by a user and includes a display portion which moves and may selectively display a hidden message or the like. The button includes a circuit board activated by batteries, with a wire of a titan... | 08/18/1992 |
| 4787163 | Vehicle mounted sign A portable sign for removable mounting on the roof of a vehicle. The sign includes a rigid body formed of first, second and third side walls formed into a rigid triangular structure, a top structure including a triangular top wall and a frame fitting over... | 11/29/1988 |
| 4747648 | Optical fiber display and optical train for same A modularized optical fiber display system is disclosed wherein each module has an optical train including a plurality of optical fibers or cables organized at one end into a bundle which is illuminated by a lamp, with each of the optical fibers of the bu... | 05/31/1988 |
| 4412631 | Carousel card dispenser A dispenser for the controlled one at a time dispensing of a magnetic card to an operator who inserts the card into a magnetic card reader for entry of an active number in an "Electronic Point of Sale" advertising medium reaching a predetermined captive a... | 11/01/1983 |
| 4372068 | Rechargeable transparent slide viewer apparatus Apparatus for viewing a transparency includes a rechargeable battery and a telescoping lens housing which moves inwardly and outwardly with respect to a housing in which is disposed the rechargeable battery, a light source, and a solid diffuser/reflector ... | 02/08/1983 |
| 4300298 | Apparatus for the production and display of moving pictures Apparatus for generating and displaying moving pictures in which a combination of a number of locally displaceable picture elements have positions that are variable and/or selectable by a number of adjustable outer or final control elements. At least part... | 11/17/1981 |
| 4060919 | Data retrieving device A device for retrieving data such as individual names, firm names, addresses, telephone numbers, and so forth, which is constructed in a handy and compact type, and which comprises a rotatable data recording member having a plurality of data indicating pa... | 12/06/1977 |
