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| Number | Title | Issue Date |
| 6264837 | Removal of pollution from aqueous bodies A method and device for removing pollution from polluted water, consisting of a rod on which are mounted an array of spaced magnesium plates and an array of spaced copper plates. The copper plates are in contact with the magnesium plates. Polluted water p... | 07/24/2001 |
| 5873421 | Tool for installing a pipeline under a structure A tool for installing an underground pipeline below an existing structure such as a sidewalk or driveway. The tool consists of a steel casing, an auger within the casing, a soil drilling bit at the end of the auger, and an hydraulic motor for driving the ... | 02/23/1999 |
| 5765416 | Device for holding down brake pedal of a motor vehicle A device for locking a brake pedal in depressed condition, comprising a first tube, and a second tube concentric and slidable in said first tube; said first tube having brake pedal engaging means; said second tube having steering wheel engaging means; sai... | 06/16/1998 |
| 5741041 | Rear cover of golf carts A portable, removable rear cover for an electric golf cart in the form of a flexible, thin, lightweight, weather-resistant sheet. The sheet has an upper, transparent plastic panel and a lower, woven fabric panel. Shock cords are provided for attaching the... | 04/21/1998 |
| 5704682 | Walker seat This device comprises a folding seat for walkers. It is inexpensive, easily removable, installable, and storable. It comprises an elongated, flexible sheet whose ends can be bent over and under the side bars of a walker and connected together underneath t... | 01/06/1998 |
| 5676339 | Easily removable cable strain relief device An easily removable and reusable cable strain relief device for accommodating and fastening a cable in a socket hole in an instrument wall. The head section (2) has a collar (3) which lies flush against the outer edge of the socket hole (8) and a shaft (4... | 10/14/1997 |
| 5634423 | Personal submersible marine vehicle An improved, personal, submersible marine vehicle with a fluid-tight elongated hull having an open back and a removable cover. Within the hull is a battery compartment. A shrouded propeller and motor depend from the hull. A dense, rigid cellular foam sect... | 06/03/1997 |
| 5613462 | Lifting device A novel lifting device for small craft in which the mechanism includes an hydraulic pump and an hydraulic cylinder pivotally mounted on a first horizontal shaft of a support attached to a boat or stationary surface. A first arm is mounted on the first sha... | 03/25/1997 |
| 5540351 | Animal waste container A sanitary animal-waste container suitable for installation in public places. The container has a cover and an interiorly-mounted roll of detachable plastic waste bags accessible through a cut-out in the container.... | 07/30/1996 |
| 5501022 | Decorative boot A decorative boot having interchangeable tubular decorative components adapted to lie substantially smoothly on the outer surface of the boot between the top of the boot and the ankle portion so as to leave the heel and toe portions uncovered.... | 03/26/1996 |
| 5500093 | Oil purification A lubricating oil purifying device adapted to be installed in the flow line of lubricating oil passing into an oil filter, comprising a solid body made of acid-reactive material and having a central orifice in which a coupling ring is positioned.... | 03/19/1996 |
| 5435220 | Storage and retrieval of drumsticks A device for storing and retrieving one or more drumsticks, comprising in combination: a casing open at its top and defining a cavity, a drumstick support movable within the cavity in opposition to a first spring into locking engagement with a second spri... | 07/25/1995 |
| 5429455 | Integrated column and pile An integral combination of column and pile for use in building structures in a sandy soil. The method of formation is to provide a ground situs of suitable depth and width formed preferably by an hydraulic-powered auger. The situs is then filled with a ce... | 07/04/1995 |
| 5379545 | Animal repellent device A device for diffusing chemical animal repellent, comprising a container having a ground engaging pin, a sloping cover, and orifices permitting diffusion of chemical animal repellent in the container to the outside atmosphere.... | 01/10/1995 |
| 5331780 | Hyperbolic paraboloid roof and sidewall system A hyperbolic paraboloid roof structure which has in combination rectilinear panels (10) tangentially attached to a frame of beams (11) each of whose top surfaces (11a) is a semicircular arc or segment thereof. The panels are assembled from prefabricated r... | 07/26/1994 |
| 5234288 | Integrated column and pile An integral combination of column and pile for use in building structures in a sandy soil. The method of formation is to provide a ground situs of suitable depth and width formed preferably by an hydraulic-powered auger. The situs is then filled with a ce... | 08/10/1993 |
| 5192319 | Intraocular refractive lens An intraocular lens surgically positioned in the anterior chamber and to be used in addition to the natural lens to correct the refraction. The lens is fixated by iris stromal support, comprising an optical portion of inner concave and outer convex shape ... | 03/09/1993 |
| 5187885 | Golf shoe insert This invention comprises generally an integral insert for a golf shoe having several raised protuberances extending upwardly from a base shaped to fit on and cover the inner sole of the shoe. The protuberances are resilient and can be made from cellular p... | 02/23/1993 |
| 5107984 | Cosmetic case A cosmetic case which substantially reduces soiling, has a cover hingedly connected to a base and closed with a locking member. A holder for cosmetic applicators is attached to the base and has a resilient, normally angular pocket for receiving and storin... | 04/28/1992 |
| 5095731 | Shell casing machine A system for cold-forming shell or cartridge casings in which there are movable tubular dies having open ends and adapted to accommodate a casing, and which includes a feeding station having an upper punch for inserting a casing into a die; a header-formi... | 03/17/1992 |
| 5079436 | Anti-theft equipment An anti-theft device for vehicles comprising a control circuit between the positive pole of the vehicle battery and the battery terminal of the solenoid of the starter. The control circuit comprises an SCR whose anode is connected to the positive pole and... | 01/07/1992 |
| 5056635 | Reversible free wheeling mechanical drive mechanism A reversible mechanical drive unit capable of being manually shiftable between a locked neutral position and opposite reversed direction, positive drive positions, and useable in a variety of applications including a reversibly operatable hand tool. The m... | 10/15/1991 |
| 5054209 | Centrifuge for drying salad greens and other foods A food damp-drying centrifuge containing a spinner basket having a cover driven by an upper-positioned motor so that when the cover is engaged with the basket, actuation of the motor causes the basket to spin.... | 10/08/1991 |
| 4998817 | Contact lens for correction of color blindness A corneal contact lens for the correction of color blindness, which is clear except for a thin red exterior layer covering the area admitting light to the pupil.... | 03/12/1991 |
| 4978160 | Automobile sun shield A translucent sun shield stored within the visor of an automobile and readily manipulable by the user into a selected position by simply pulling or pushing on the handle extension of the transparent shield. The shield is characterized as having indentatio... | 12/18/1990 |
| 4964384 | Tornado engine The cylinder head of an engine has internal truncated conical intake and exhaust passageways which create a swirling mixture of gases in the cylinder. The intake valve is in the form of a ring with a plurality of parallel valve stems, preferably four, all... | 10/23/1990 |
| 4954831 | Analog-to-digital converter An analog-to-digital converter having: (1) a quantization stage which received an analog input signal and has separate output terminals for different threshold levels; (2) a discriminator stage for exclusively using the highest threshold output terminal o... | 09/04/1990 |
| 4948142 | Gold position training device An apparatus for assisting a golfer to develop a proper position and swing for his golf club, comprising in combination a platform having an area on which the golfer stands, positioners for the hips and neck of the golfer, and a swing control (40) (140) w... | 08/14/1990 |
| 4922520 | Automatic telephone polling system An efficient, easily-programmed and annoyance-free polling system includes the utilization of multiple voice synthesizers in multiple identical Telephone Interface Units (TIUs) operating independently under control of their own microprocessor, with the TI... | 05/01/1990 |
| 4911121 | Engine protection device An engine protection device which has a valve assembly supplying engine oil to an hydraulic cylinder which in turn is attached to the throttle of an internal combustion engine or governor of a stationary engine. If the oil pressure drops below a predeterm... | 03/27/1990 |
| 4878450 | Boat lifting device A lifting device for small boats which is attached to the rear vertical surface of a larger boat. The device comprises at least two support units each having a hollow vertical tube to the boat and a vertical extension tube movable in the hollow attached t... | 11/07/1989 |
| 4868018 | Artifical marble Hard, durable, water-resistant simulated marble products are made by coating a support surface with a mixture of epoxy resin, epoxy resin hardener, pigment and a powdered material such as portland cement, powdered clay, a mix of portlant cement and lime, ... | 09/19/1989 |
| 4862983 | Truck body mount A spring-loaded mount for connecting a truck body to a truck chassis which permits articulation comprising outwardly extending gungeon pin means attached to the chassis and cooperable spring means attached to the body; said spring means comprising a housi... | 09/05/1989 |
| 4809454 | Advertising sign A changeable advertising sign assembly adapted to be mounted on the interior surface of a door. The assembly consists of a frame having a detachable side edge normally inaccessible when the door is closed. A front transparent protective sheet is slidably ... | 03/07/1989 |
| 4774449 | Transformerless battery charger in combination with a battery, and method of charging a battery A transformerless battery charger having a circuit for connecting the battery to an A.C. power source to supply charging current to the battery including: an inductive impedance in series with the battery for limiting the charging current through the batt... | 09/27/1988 |
| 4733476 | Apparatus for horizontal scoring of a cementitious wall A synthetic brick wall facing on an existing wall is made by applying to the degreased wall an aqueous acrylic resin emulsion which when dry is then coated with an aqueous creamy mixture of portand cement, lime and perlite. Horizontal scoring of the cemen... | 03/29/1988 |
| 4718518 | Step ladder A convertible step ladder having a back section (13) comprising a pair of rails (101, 102) cooperable with a detachable section (16) provides a step ladder that can be used on stairs as well as a flat surface. The detachable section has a horizontal cross... | 01/12/1988 |
| 4699834 | An intermediate floor A intermediate floor which shields a cementitious or tile top floor from the cracking of the original floor and comprises an asphaltic layer having on its upper surface finely divided stone and an open mesh layer on the stone layer. Where the original flo... | 10/13/1987 |
| 4696382 | Front wheel hub clutch A clutch to permit engagement and disengagement of a splined axle with a power drive means which has an inner axle hub, internally splined to engage with said axle and externally splined, and a body with internal ridges and grooves and external grooves an... | 09/29/1987 |
| 4694545 | Attachment of rings without sewing A ring can be attached to a sheet such as fabric, sailcloth or tent canvas without sewing by the use of the combination of a U-shaped, stiff filament and an open tube to which the ring is attached. The legs of the filament are passed through the sheet the... | 09/22/1987 |
