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 |
| 7207893 | Golf chip shot practice device A golf chipping practice device for a golfer comprising, a base, a net enclosure comprising a rear panel and side panels attached to the base, the net being open facing the player, the base having a floor area which is angled downward, a hole in the floor area of th... | 04/24/2007 |
| 6905418 | Golf short game training, practice and contest game kit A Golf Short Game Training, Practice and Contest Game assemblage, which is easy to assemble, disassemble and transport from location to location (in, for example, the provided carrying bag) and which includes a main frame which is assembled from various steel pipes ... | 06/14/2005 |
| 6638186 | Hockey skill improvement system having physiological memory training A hockey practice device which provides physiological memory training to the user includes a low, short open bottom housing having a variable resistance striker puck which slides in a slot in the top of the housing, the puck being secured to a slider bene... | 10/28/2003 |
| 6623371 | Golf putting and ball return system A golf putting training controls golf ball momentum into a delivery site by first absorbing momentum of indeterminate magnitude and thereafter allowing the ball to move along a controlled or sloped path under influence of gravity. As a result, the ball en... | 09/23/2003 |
| 6315677 | Golf ball catching funnel The present golf ball catching funnel is comprised of a horizontal frame, a funnel-shaped sheet suspended within the frame, and legs elevating the frame and sheet off the ground. The frame is adapted to be positioned against the front of a golf ball drivi... | 11/13/2001 |
| 6287212 | Golf ball delivery system Lifting golf balls in a vertical tube from a lifting station using spaced apart motorized wheels with finger projections for projecting into side openings in the vertical tube. The golf balls are allowed to fall by gravity from an apex of the vertical tub... | 09/11/2001 |
| 5779241 | Apparatus and method for measurement of position and velocity A sensor for locating the position of and measuring the velocity of an impacting object. The sensor employs a net attached at each edge to sensor modules mounted on a frame. Each sensor module includes an output drum, a take up drum, a spring and a motor.... | 07/14/1998 |
| 5492319 | Indoor golf chip shot practice apparatus An indoor golf chip shot practice apparatus which is to be used for practicing chip shots in the game of golf. The apparatus comprises a rectangular prism shape safety net with only one opening to the side of the user, therefore, the golf ball stays insid... | 02/20/1996 |
| 5449327 | Bowling ball return systems and methods Bowling balls are returned from the pit area of a bowling alley to a return shroud through a vacuum tube into a lift tube. A transporter assembly is contained within the shroud for decelerating the bowling balls. The shroud includes continuous rails for p... | 09/12/1995 |
| 5374220 | Portable bowling alley with ball return An ultimate bowling simulator is provided which consists of a miniature bowling alley, with a pit unit located behind the alley. A structure is for elevating the alley in an upwardly tilted rearward gravity feed position with respect to the pit unit. Ten ... | 12/20/1994 |
| 5372277 | Ball dispensing unit A dispensing unit for separating balls from a supply stream, particularly for use on golf driving ranges, comprises a supply tube (10) and a delivery tube which has a header tube (12) with a mouth portion (16) leading from the supply tube (10), and the su... | 12/13/1994 |
| 5306009 | Golf practice kit The golf practice kit of this invention utilizes a canvas ramp including a curved upper portion and an inclined target portion that slopes upwardly and away from the tee where the user stands. The kit is designed for practice with all of the golf clubs ex... | 04/26/1994 |
| 5297795 | Target green for golf practice An inflatable artificial golf green is designed for use at driving ranges. The target green structure is formed at an incline to provide users of the golf range the appearance of a much larger target surface due to the perspective effects when viewing an ... | 03/29/1994 |
| 5161799 | Hockey practice apparatus kit A readily transportable and positionable practice kit, including a unitary track defining an enclosed slot, with the track including plural pairs of support plates positioning the track in a spaced relationship relative to an underlying support. The enclo... | 11/10/1992 |
| 5052688 | Automatic golf practice course An automatic golf practice course having a number of fairways, including a target area, a tee off area and a golf ball collecting/feeding assembly. The target area has a target to provide a reference for teeing and an inclined plate covered with artificia... | 10/01/1991 |
| 4966368 | Geometric tennis lanes Geometrical tennis lanes are disclosed which comprise a plurality of pie-shaped lanes forming a circle or a semi-circle or substantially circular configuration, the lanes are substantially triangular in shape. The tennis lanes particularly provide for upr... | 10/30/1990 |
| 4846478 | Installation for the game and the practicing of golf An installation includes at least one starting head and at least one green provided with a hole, a device for recovering balls from the green and in the vicinity of the green, and an arrangement for returning the balls to the starting head. The installati... | 07/11/1989 |
| 4743020 | Ball return and target device A ball-game device comprising a baffle wall arranged on a transportable stand is characterized by the fact that the baffle wall has a front surface designed in the shape of a spherical indentation, and there is provided a frame. The frame surrounds the ba... | 05/10/1988 |
| 4703931 | Apparatus for returning or rebounding a ball A rebounding net (16) is supported in a portable frame (19). The net (16) includes a rectangular forward end (18) which provides a ball entry/exit way of a certain area through which a ball can move. The net (16) further includes a rearward end (32) which... | 11/03/1987 |
| 4615528 | Soccer training device A soccer training device for guiding a soccer ball back to the approximate location from where it was kicked or thrown. The device comprises a frame, including an eave, and a net connected to the frame. The frame and net define a partially enclosed pocket... | 10/07/1986 |
| 4489941 | Sports net apparatus A sports net and frame includes inner frame members, a substantially rectangular outer frame and a netting material. The inner frame is characterized by at least two adjusting rods, each rod being attached by spring elements in a spaced relationship to a ... | 12/25/1984 |
| 4281834 | Golf chipping and pitching device A device which is especially adapted for use as a golf practice unit or as a game takes the form of a solid ring or band mounted on an adjustable stand or base which is capable of supporting a target so that the target rests substantially in a horizontal ... | 08/04/1981 |
| 4026551 | Baseball pitcher's practice target A baseball pitcher's target includes a rebound wall surface which is divided into an upper half section and a lower half section. Each of the half sections is tapered rearwardly from the horizontal mid-point of the wall surface. The upper half section thu... | 05/31/1977 |
