Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7300069 | Ski A sliding board, such as a ski, with at least one interface element or guide element, connected to the sliding board via fastening elements, for arranging binding elements or the like on the upper side of the sliding board. The sliding board has a single-ply or mult... | 11/27/2007 |
| 7299761 | Water sport towing apparatus Wakeboarding performance is improved using a vessel which is fitted with a skeletal towing frame having spaced supports attached on opposite sides of the vessel while coupling upper extremities of the supports with a horizontal bridging portion, to which a tow rope ... | 11/27/2007 |
| 7275756 | Ski and method of manufacturing the ski A method of manufacturing a ski in which bonding portions join non-metal side members (20) and a metal sheet (18) to form a cap preform section. The cap preform section is pressed downward against the top surface of a core (14) and heat is appli... | 10/02/2007 |
| 7240908 | Pogo-ski This invention relates to recreational equipment for use on a sliding surface, such as skis, snowboards, or other equipment for use by a person such as a skier, snowboarder or water-skier. This invention provides a pogo-ski comprising a ski and a post thereon which ... | 07/10/2007 |
| 7222883 | Support mechanism for snowboards A mechanism for snowboard support while riding a chair lift is provided. The support mechanism includes a flexible retractable cable within a housing having a recoil mechanism. The housing is advantageously mounted to the snowboard or the snowboard binding mechanism... | 05/29/2007 |
| 7219916 | Snowboard A snowboard has elongate runners integrally formed with the bottom surface of the snowboard to increase the downhill speed characteristics of the snowboard. The runners define a longitudinally extending channel thereinbetween. The cross-sectional thickness of the sn... | 05/22/2007 |
| 7216887 | Board-type runner device with at least one device for increasing resistance to slipping and friction The invention relates to a board-type runner device (1), consisting of at least a top layer (2) with a top surface (4) and a running layer (3) with a running surface (5) lying opposite it and optionally having edging elements (6... | 05/15/2007 |
| 7213828 | Board-type runner device and top layer and running surface lining for same In a ski, jumping ski or snowboard comprising a running surface lining, a top layer and several layers disposed between the running surface lining and the top layer, the running surface lining and the top layer having an external face facing away from the core, at l... | 05/08/2007 |
| 7121767 | Rugged foam buoyancy modules and method of manufacture A buoyancy module comprises a multi-layer outer protective shell that has an exterior surface and an interior surface. A first layer of foam buoyancy material is located adjacent to the interior surface. A second layer of foam buoyancy material that includes macrosp... | 10/17/2006 |
| 7111864 | Device for sliding on snow Device for sliding on snow, especially a carving ski, having a base running face, which extends over a front, a central and a rear zone and which is waisted in the longitudinal direction, wherein in the front and/or in the rear zone of the base running face, the lat... | 09/26/2006 |
| 7097195 | Recreational binding with adjustable suspension interface A binding system is provided that is effective for use on recreational device, such as a snowboard, and that is adapted to mate to, or that includes, a boot or other footwear worn by the user. In general, the binding system includes a base plate for support a rider'... | 08/29/2006 |
| 7073810 | Ski with tunnel and enhanced edges A snow ski has at least one channel formed in the running surface to expose the inner sides of the ski edges for translating the force exerted by the ski during a turn and creating positive engagement with the skiing surface. The channel may extend the length of the... | 07/11/2006 |
| 6955577 | Kickboard with drag inducing channel One aspect of the invention provides a drag-inducing kickboard. The kickboard has an undersurface. A funnel member projects from the undersurface and comprises at least one inner surface that is spaced apart from the undersurface to form a channel between the at lea... | 10/18/2005 |
| 6945544 | Boot retaining device on a sliding-type snow board A boot retaining device for use with a snowboard includes a plate equipped with straps for retaining an associated boot. A pivot body is located at a central region of the plate. The pivot body retains the plate on the board and includes a central screw or central n... | 09/20/2005 |
| 6935909 | Apparatus and method for a gliding board for fluid riding sports A curved lower surface of a gliding board, such as a wakeboard or a surfboard, is provided with an anticlastic shape to resemble the shape of a saddle. The lower surface of the board is concave in a transverse cross section and convex in a longitudinal cross section... | 08/30/2005 |
| 6588772 | Sintered sheet plastic material and gliding board base material A method for forming a sheet material suitable for use in manufacturing gliding board bases includes placing a first group of materials including plastic particles on a continuously moving surface in a first pattern, and placing a second group of material... | 07/08/2003 |
| 6533625 | Water ski A water ski having an elongated body member having a fore-zone, a mid-zone, an aft-zone and a longitudinally extending X-axis. A major longitudinally extending groove is formed in the bottom surface of the water ski and it extends substantially the length... | 03/18/2003 |
| 6461210 | Wakeboard with tubular frame and binding footplate having multidirectional adjustability A wakeboard having a substantially planar plastic base with a top surface and a bottom surface and a lightweight tubular alloy frame fastened at the top surface perimeter. The base is angled slightly proximate each of its ends. The frame is filled with a ... | 10/08/2002 |
| 6367827 | Caterpillar board designed in particular for use on grass slopes The proposed crawler-mounted board (1) is specifically for the purpose of riding over grass or lawn slopes. It features a crawler unit which consists of two slightly concave-curved undercarriage tracks (12), the tracks being connected to one another by fo... | 04/09/2002 |
| 6352459 | Device for anchoring a utility device to a sportsboard A device for holding lubricating compounds on a sportsboard for use by a sportsperson includes a flexible support for receiving a reservoir for lubricant. The support can be anchored to the board, and the reservoir can be removed from the support as requi... | 03/05/2002 |
| 6312301 | Virtual slalom course The present invention provides a virtual slalom course and display which allows a water skier to develop the skill and timing to maneuver through a slalom course without the need for an official course. The apparatus is operable to display to the skier wh... | 11/06/2001 |
| 6192819 | Water sport towing apparatus The aerial performance characteristics of a performer using a water sport implement such as a wakeboard is enhanced by a towing apparatus which includes vertical supports rigidly attached starboard and port side gunwales of the vessel at a location genera... | 02/27/2001 |
| 6145462 | Towable diver aid A divers transportation assistance device includes a support platform pivotally mounted within a rigid linking frame. An included tow rope attachment assembly allows the device to be linked to a tow rope and pulled behind a tow boat. A rider positioning c... | 11/14/2000 |
| 6113113 | Sliding apparatus having adjustable flexion and torsion characteristics A sliding apparatus includes one or more stiffening plates mounted to the top surface of the sliding apparatus. The plates serve to stiffen localized areas on the snowboard in order to change the flexion and torsion characteristics of the snowboard in tha... | 09/05/2000 |
| 6106347 | Guidance pad for surfboard attachment A guidance pad, made from flexible plastic material and configured with an array of parallel guidance ridges on the bottom side, can be retrofitted onto the bottom side of an aquatic sports device such as a surfboard so that the ridges, running fore-and-a... | 08/22/2000 |
| 6102760 | Water sports airfoil A water sports device adapted for carrying a rider airborne completely above the surface of the water upon being towed by a tow device. The water sports device comprises an elongated airfoil having a top portion and a bottom portion substantially opposite... | 08/15/2000 |
| 6056311 | Skiing and surfing apparatus producing increased lift An elongate board which produces increased lift when moved through a fluid such as air or water. The elongate board includes a main body with an opening in its central region. A plurality of transverse wing sections are mounted in tandem in the central op... | 05/02/2000 |
| 6039331 | Caterpillar board designed in particular for use on grass slopes The proposed crawler-mounted board (1) is specifically for the purpose of riding over grass or lawn slopes. It features a crawler unit which consists of two slightly concave-curved undercarriage tracks (12), the tracks being connected to one another by fo... | 03/21/2000 |
| 5984343 | Sliding apparatus having adjustable flexion and torsion characteristics A snowboard includes one or more stiffening plates mounted to the top surface of the snowboard. The plates serve to stiffen localized areas on the snowboard in order to change the flexion and torsion characteristics of the snowboard in that localized area... | 11/16/1999 |
| 5979350 | Water sport towing apparatus and method The aerial performance characteristics of a performer using a water sport implement such as a wakeboard, and being towed by a vessel while maintaining stability of the vessel includes a first relatively rigid vertical support fitted to one side of the, a ... | 11/09/1999 |
| 5910034 | Integral overlay wakeboard binding and system A wakeboard binding which includes a single piece, adjustable, binding overlay elastomeric sheet material, with a pair of spaced apart extended arms, the binding adapted to be secured over the top surface of a heel and toe receptacle which form a boot-lik... | 06/08/1999 |
| 5823562 | Snowboard A snowboard is disclosed having two cambers centered, respectively, below each of the two boot mounting zones.... | 10/20/1998 |
| 5788548 | Water-skis A monoski (1) having an open-ended longitudinal slot (5) through the thickness of the ski which extends rearwardly along the ski from the toe (6). In use, the tow line in (2) the starting position is located in the slot (5), thereby restricting movement o... | 08/04/1998 |
| 5766051 | Wakeboard traction pad A wakeboard traction pad for a wakeboard providing greater traction and a variable traction-surface geometry for more technical wakeboard riding and increased fun. The wakeboard traction pad is provided to give a high-friction, high-surface area surface u... | 06/16/1998 |
| 5694337 | Water ski performance analysis method and apparatus Disclosed is a method of measuring the performance of a maneuvering water skier. A series of angular measurements are made on the ski rope relative to a predetermined direction. This information, together with timing information is provided to a computer ... | 12/02/1997 |
| 5643029 | Motorized surf boots The apparatus of the invention offers a new sports activity, somewhere between roller-blading and waverunning, by incorporating a pair of boots on a pair of boards, and powering the combination by a pair of centrifugal clutch motors of rating not exceedin... | 07/01/1997 |
| 5591059 | Water ski A water ski having an elongated body of generally uniform thickness from its nose to its aft end, and including a body having a nose portion which inclines gradually upwardly, a forward body portion, and a rear body portion. The forward body portion has a... | 01/07/1997 |
| 5525083 | Towable water sports apparatus such as a water ski A towable water sports apparatus such as a water ski is provided with a narrowed waist portion in the forward half of the ski, a concave tunnel in the bottom surface of the ski which terminates in a Y-shaped end adjacent the tail end of the ski, a flex-ad... | 06/11/1996 |
| 5514016 | Water sport safety device and method A water sport safety device for use with generally planar water sport devices which float at or beneath the surface of a body of water when floating unattended. The water sport safety device consists of a buoyant marker assembly which is attached to the w... | 05/07/1996 |
| 5503581 | Apparatus for adjustable fin and fin block A water ski adjustable fin block and fin are disclosed. The fin block employs a slidable wedge for clamping the fin in place within the fin block during use and allowing the fin to be unclamped just enough to allow adjustment of the fin. A screw arrangeme... | 04/02/1996 |
