Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 5383804 | Ski tube A ski tube includes a torus-shaped innertube, a generally torus-shaped cover member bearing a continuous zipper or other releasable fastener preferably along a circumference thereof, a base portion, and a generally V-shaped towing flap member adapted for ... | 01/24/1995 |
| 5360360 | Inflatable towable chariot An inflatable towable chariot includes a generally U-shaped inflatable wall bladder insertable within an exterior jacket including a generally U-shaped wall pocket of a size and shape to receive and be substantially filled by the wall bladder upon inflati... | 11/01/1994 |
| 5351637 | Inflatable sailboard A novel stable inflatable or inflated sail board is provided. The sailboard includes a plurality of discrete, gas-fillable or gas-filled, elongated chambers, each chamber having a top skin and a bottom skin, each chamber, when inflated being sufficiently ... | 10/04/1994 |
| 5122086 | Towable riding apparatus A riding apparatus has a cover and plural inflatable tubes for towing several riders at once. The tubes are toroidally shaped and can be of the type used in vehicle tires. The cover has elongated, flexible top and bottom members coupled together at the si... | 06/16/1992 |
| 5101752 | Body board A body board for a water slide having an ergonometric design that conforms to the contours of a user's body having a generally frustoconical perimeter that circumscribes at least two chambers that are connected for pivoting movement with respect to one an... | 04/07/1992 |
| 5072278 | Monolithic integrated structure for a two-stage driving system with level translator circuit component of the driving signal for power transistors The monolithic integrated structure comprises a semiconductor substrate, a superimposed first epitaxial stratum having characteristics such as to withstand a high supply voltage applied to the driving system and a first and a second isolation pocket which... | 12/10/1991 |
| 5009183 | Towline and release system for water sports adjunct devices A towline system for water sports adjuncts, as inflatable devices such as air tubes and the like, wherein the air tube may not only be towed along with the usual tow handle, but may be readily released therefrom at the will of the rider without dangerous ... | 04/23/1991 |
| 5006087 | Towable inflatable cover The present invention is a protective cover for an inflatable water sled having a central elongated chamber and two elongated stabilizer chambers connected to and arranged on opposite sides of the central chamber. The cover includes a flexible enclosure w... | 04/09/1991 |
| 4942839 | Stabilized and foldable safety inflatable boat A stabilized and foldable safety inflatable boat formed of a synthetic rubber or a plastic material is provided. The housing of the boat being comprised of an upper air holding portion and a lower water holding portion. Both the air holding portion and th... | 07/24/1990 |
| 4820219 | Recreational device A recreational device comprising an elastomeric body portion capable of holding compressed gas and having a surface temperature reducing coating integrally formed therewith on the outer surface thereof. The device is used in water sports where flotation i... | 04/11/1989 |
| 4807554 | Inflatable boat for high speed applications An inflatable boat for high speed towing applications having a compartmentalized hull and an improved tow-ring mounted beneath the hull, the hull including first and second buoyancy chambers, the second chamber being vertically disposed beneath the first ... | 02/28/1989 |
| 4762316 | Wave surfing simulation apparatus Wave surfing simulation apparatus is disclosed comprising an elongated water slide adapted to rest on a supporting surface. The slide includes a plurality of water jet openings along the length thereof for spraying water on the upper surface of the slide ... | 08/09/1988 |
| 4619621 | Surf riding air bag A flexible inflatable container is closed at one end and open at its other end. A closure strap is secured to the bag adjacent the open end and is arranged to be wrapped around and close this open end after inflating the bag. This closure strap is associa... | 10/28/1986 |
| 4619620 | Water sports apparatus An improved water sports apparatus comprising an inflatable tube to which a seat portion with a number of straps can be attached by utilizing pins which are vulcanized to the tube and which pass through openings formed in the straps. The straps are joined... | 10/28/1986 |
| 4613311 | Automatically disconnecting safety connector for aquatic apparatus An automatically disconnecting connector apparatus for a floatable device, such as a fisherman's float tube, includes one coupling member having an aperture and another coupling member having another aperture. The other coupling member is bifurcated so th... | 09/23/1986 |
| 4606728 | Water ski aid A water ski aid for supporting a water skier includes an inflatable seat member. A pair of inflatable arms is used to secure the skier to the inflatable seat member. The free ends of the arms overlap the body of the skier when in a secure position in the ... | 08/19/1986 |
| 4552539 | Hydroplane apparatus An inflatable hydroplane apparatus uses a pneumatic vehicle innertube with a flexible fabric cover including an annular flexible fabric positioned partly covering said innertube and forming a smooth bottom therefor. A handle strap is stitched to said cove... | 11/12/1985 |
| 4451239 | Hydroplane apparatus An inflatable hydroplane apparatus uses a pneumatic vehicle innertube with a flexible fabric cover including an annular flexible fabric positioned partly covering said innertube and forming a smooth bottom therefor. A handle strap is stitched to the cover... | 05/29/1984 |
| 4427394 | Apparatus to be towed through the water A water sport apparatus which can be attached to an inner tube and includes a flexible seat that can be strapped to the inner tube and a pair of extending portions that pass over the inner tube and are connected to a tow line.... | 01/24/1984 |
| 4389961 | Self-collapsible, inflatable device A self-collapsible, inflatable device consists of a sheet made of a thermoplastic material having a memory set such that it forms into a coil when unrestrained and at least one inflatable member, semi-rigid when inflated and capable of being coiled when d... | 06/28/1983 |
| 4302003 | Water toy A water toy is disclosed including an elongated body portion, a head portion attached to one end of the body portion, and a tail portion attached to the other end of the body portion. At least the tail portion, and preferably the body and head portions, i... | 11/24/1981 |
| 4206933 | Sleigh having an improved inflatable body A sleigh having an inflatable body which is wedge-shaped at its forward portion and parallel-sided at its rear portion, the body being subdivided into three inflatable compartments by two spaced longitudinally extending interior webs which slant outwardly... | 06/10/1980 |
