...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 |
| 7169098 | Adjustable stretching machine An adjustable stretching device 6 includes a stretching surface 20 that is raised off of the floor on which the user stands, flexes, and stretches the calf and lowers the leg muscles. The stretching surface 20 can be angled along a primary longi... | 01/30/2007 |
| 7156775 | Starting block with pedal markings A starting block is used by a runner in a track event. The starting block contains a rail and a pair of foot pedal assemblies, one assembly connected to the left side of the rail and one assembly connected to the right side of the rail. Each foot pedal assembly cont... | 01/02/2007 |
| 7070540 | Athlete training device The present invention is an athlete training device and method useful in training athletes for track and field events including the high jump, pole vault, discus, long jump and shot put. The ramp may be adjusted to a number of discrete ramp angles with the use of ei... | 07/04/2006 |
| 6929585 | Starting block with connected pedals A starting block is used by a runner in a track event. The starting block has five components, a rail, a left foot pedal assembly, a left connector, a right foot pedal assembly, and a right connector. The rail has two outwardly-positioned rows of upwardly directed t... | 08/16/2005 |
| 6342029 | Runners starting block A runners starting block is disclosed that can be used separate from an anchor bar, each block to be individually positioned on the track, each block capable of being adjusted over a wide range of foot support angles, the starting blocks usable on artific... | 01/29/2002 |
| 6244992 | Portable calf stretcher A portable calf stretcher is provided having a base plate which is arranged to be supported on the ground. A foot plate and an adjustable support plate are pivotally mounted on opposing ends of the base plate. The adjustable support plate is arranged to s... | 06/12/2001 |
| 6238319 | Portable athletic starting block A portable starting block, used by track athletes, is constructed of sections of two lightweight aluminum extrusions. One of these extrusions comprises a foot pedal portion having a generally concave, outwardly facing, foot-engaging portion with an inward... | 05/29/2001 |
| 6002336 | Reaction time measurement system The present invention provides a reaction time measurement system that includes a hard-wired or battery-powered accelerometer module attached to a starting block or platform to detect acceleration when a contestant moves. Although the block is grossly sta... | 12/14/1999 |
| 5620395 | Method and associated apparatus for installing an above ice surface curling hack A method of installing an above ice surface curling hack is described. Firstly, embed a base member into a sheet of ice. The base member must be totally covered by ice thereby leaving an ice surface that is devoid of any hack depressions. The base member ... | 04/15/1997 |
| 5467652 | Apparatus and method for determining response parameters of a runner to a start signal A runners' training apparatus and method are disclosed, the apparatus for measuring pressures exerted on starting blocks by a runner's feet responsive to a start signal and measuring time intervals between the start signal and selected pressure levels dev... | 11/21/1995 |
| 5398941 | Method for conducting racing events A method for conducting racing events begins with the determination of the number of lanes to be utilized in all of the individual races of the overall competition. Each racing competition includes a plurality of individual sprint races preferably equal i... | 03/21/1995 |
| 5342259 | Starting block A starting block 60 includes a foot-support means 12 and a heel-support portion 14. The heel-support portion 14 extends from the foot-support means 12, for supporting a user's heel, and is adjustably arranged relative to the foot-support means 12.... | 08/30/1994 |
| 5033738 | Runner's starting block assembly A central, length-delineated spine is formed by successive U shaped arms to which a pair of novel starting blocks can be attached, one on each side, and slid to such positions as desired by the runner. Each starting block is formed with a hollow open bott... | 07/23/1991 |
| 4913420 | Starting block for runners A starting block (10, 110, 210) for a runner to be used on a track having running lanes extending from a starting line (L, L', L") to a finish line including, a frame (11, 111, 211) for positioning in alignment with a running lane proximate to the startin... | 04/03/1990 |
| 4754965 | Starting block for runners A starting block (10) for a runner to be used on a track having running lanes extending from a starting line (L) to a finish line including, a frame (11) for positioning in alignment with a running lane proximate to the starting line (L), fasteners (22) f... | 07/05/1988 |
| 4611803 | Starting block assembly A portable starting block assembly for a track runner wherein the central alignment bar is formed in half-length segments for side-by-side lodgment during traveling, plus quick coupling means to fasten together the pieces during use. Also carries holding ... | 09/16/1986 |
| 4561650 | Tilt adjustable starting block A runner's starting block such as is attachable, one on each side of a longitudinal alignment frame, in staggered relation, so as to position each foot of a runner at a selected position for the start of a race. The block can have the tilt of its foot con... | 12/31/1985 |
| 4134583 | Starting assist device for swimmers By providing a ramped plate which is removably positioned in a swimming pool directly abutting the swimming pool wall with the ramped plate forming an acute angle therewith, a starting assist device is provided for backstroke swimmers by which they can se... | 01/16/1979 |
| 4089519 | Starting block assembly A starting block assembly for locating at a starting position of a running track. An elongated, ground-anchorable central bar is formed with a pair of back-to-back T-shape lengthwise slide tracks, each opening to a respective side of the bar and receiving... | 05/16/1978 |