Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 6597960 | Sport contest equalizer system This invention provides a game plan that is implemented prior to or in a sporting event to create parity between two mismatched teams in a given competition. A preferred game plan includes a series of counter-measures or tactics so that the burdened team ... | 07/22/2003 |
| 6520826 | Plush fragrancing system A fragrance dispensing device suitable for incorporation into a plush figure. In one of the preferred embodiments of this invention, the fragrance dispensing device comprises a hollow body in the form of a sphere or a ball having a slit valve or a one-way... | 02/18/2003 |
| 6517351 | Virtual learning environment for children A virtual learning system environment which provides for progressive education of children, at their own pace, through enhancement in both language arts (e.g. spelling, reading comprehension) and physical skills (interactive prompts). The system of this i... | 02/11/2003 |
| 6446108 | Method for wide area network service location A method for a client to locate a particular service from a service provider on wide area computer networks. The method includes multicasting of an advertisement from a service provider, which advertisement is detected by a Service Broker and in turn mult... | 09/03/2002 |
| 6405982 | Self-attaching sliding support for articles of furniture A sliding support for a legged article, such as an article of furniture, that can be attached to the article without the need for a separate fastener. The support will not become dislodged if the article of furniture is moved, can be reused many times, an... | 06/18/2002 |
| 6254492 | Sports training system and sports video game A sports training system for monitoring and comparing a golfer's swing to a desired norm or standard at the point of impact of a golf ball, so as to thereby detect deviation (e.g., hook or slice) from such desired norm or standard. The system of this inve... | 07/03/2001 |
| 6219974 | Reversibly expandable structures having polygon links Reversibly expandable structures are formed from loop assemblies comprising interconnected pairs of polygonal shaped links. Each loop assembly has polygon links with at least three pivot joints and at least some of the polygon links have more than three p... | 04/24/2001 |
| 6190231 | Continuously rotating mechanisms This application is directed to a linkage system which provides continuous rotation to two or more interconnected quadrilaterals. The basic element of the linkage system is a multi-level link which provides firstly, a non-rotatable connection between two ... | 02/20/2001 |
| 6190075 | Tire brush A brush/container combination specifically designed for cleaning tires. A unique sealing disk prevents leakage while a tongue attached to the container cover accommodates the brush used in the tire cleaning operation.... | 02/20/2001 |
| 6189002 | Process and system for retrieval of documents using context-relevant semantic profiles A process and system for database storage and retrieval are described along with methods for obtaining semantic profiles from a training text corpus, i.e., text of known relevance, a method for using the training to guide context-relevant document retriev... | 02/13/2001 |
| 6083292 | Domestic vacuum cleaner with axial cyclone Domestic vacuum cleaner with multiple cyclones arranged in cascade, in which a first tangential cyclone supplied with a flow of dust-laden air captures the coarser particles in a first container arranged below said first cyclone and discharges the air flo... | 07/04/2000 |
| 6082056 | Reversibly expandable structures having polygon links Reversibly expandable structures are formed from loop assemblies comprising interconnected pairs of polygonal shaped links. Each loop assembly has polygon links with at least three pivot joints and at least some of the polygon links have more than three p... | 07/04/2000 |
| 6075817 | Compressive communication and storage system This invention describes a compressive method of transmitting digital information. Parallel communication branches are coded to transmit ensembles of bits coded so that they can be added together and forwarded over a single transmitted channel without int... | 06/13/2000 |
| 6061424 | Stereoscopic images using a viewing grid Method and apparatus for stereoscopic images using a viewing grid and not requiring a lenticular viewing screen. In one embodiment applied to roentgenography, the apparatus includes an X-ray source, a table or cradle disposed beneath the X-ray source for ... | 05/09/2000 |
| 6030144 | Edging resistant system for paving blocks A restraint edging system for a segmented paving surface, including a vertical strip component for surrounding the boundary of the segmented paved surface, and a support member component. The vertical strip component has one or more parallel protruding ri... | 02/29/2000 |
| 6014790 | Ductwork cleaning system A system for cleaning building ductwork utilizing the equipment generally used to clean carpets. The system utilizes the vacuum unit and liquid waste tank from a carpet cleaning system. A flexible hose runs between the waste tank and the building ductwork... | 01/18/2000 |
| 6005173 | Stringed musical instrument A hollow, tubular wooden musical instrument comprises a body portion of lightweight, tubular cross-section having a first and second opposite ends and at least one wooden laminate layer defining a fingerboard surface along a length of the body portion; a ... | 12/21/1999 |
| 5956372 | Coding system for digital transmission compression An improved coding system for digital transmission compression applicable as a digital compression algorithm for increasing the bandwidth of telecommunications and broadcasting networks. The improved coding system operates in the transmission regime, not ... | 09/21/1999 |
| 5916931 | Tire inflating and puncture sealing composition An aerosol propellant for sealing punctures in tires comprises a methylene chloride-in-water emulsion comprising water, methylene chloride, a curable acrylonitrile-butadiene-styrene (ABS) polymer latex and a surfactant, the emulsion having been blended wi... | 06/29/1999 |
| 5904257 | Illuminated bottle display rack An illuminated bottle display rack comprises a structure having a hollow area defined by front, back, top, bottom, right and left walls. The dimensions of the hollow include a depth sufficient to accommodate all or part of the length of a bottle on displa... | 05/18/1999 |
| 5873616 | Apparatus for lifting containers An apparatus for lifting and transporting large containers capable of lifting and transporting large containers being arranged proximate each other to define a space comprises a body portion capable of being manipulated for lifting; and a plurality of fle... | 02/23/1999 |
| 5859370 | Method for detecting and sizing of cracks in bolt threads by rayleigh wave The present invention is a method of detecting and sizing of a small crack in a root between two crests in stud bolt threads. The key idea is from the fact that the Rayleigh wave is detected between large regularly spaced pulses from the thread. The delay... | 01/12/1999 |
| 5858942 | Engine cleaner composition, method and apparatus with acetonitrile An engine cleaner composition and method for removing carbonaceous deposits from engine fuel-system components such as mechanical and electronic fuel injectors, intake valve seats, valves, combustion cylinders, spark plugs, and oxygen sensors may be used ... | 01/12/1999 |
| 5845223 | Apparatus and method for controlling actuators of hydraulic construction equipment An apparatus and a method for controlling a moving speed of each bucket and a moving speed ratio between each bucket, to be proportional to a degree of operation of each operation indicator and an operation ratio between each operation indicator, regardle... | 12/01/1998 |
| 5824064 | Technique for aortic valve replacement with simultaneous aortic arch graft insertion and apparatus therefor Transfemoral aortic valve replacement with the simultaneous insertion of an aortic arch graft, referred to as "TAVAG", is effected with a device comprising the following components: a U-shaped collapsible nitinol ring which is attached to a bioprosthetic ... | 10/20/1998 |
| 5777891 | Method for real-time ultrasonic testing system An ultrasonic real-time inspection method which is user-friendly in an interactive environment to provide ease of operation, as well as a combination of consistency, thoroughness, and speed of operation in flaw detection not achievable by other methods. T... | 07/07/1998 |
| 5752869 | Toy construction set A toy construction set suitable for modeling animal, bird, insect, dinosaur and humanoid figures. The individual components of the toy construction set are analogous to bones and moveable joints. The construction set includes various sizes of limbs, heads... | 05/19/1998 |
| 5697468 | Spoiler system for ground effect vehicles A ground effect vehicle wherein a flap coupled to a spoiler is provided on the wings in order to break lift when the craft starts to leave ground effect travel in order to avoid flight out of ground effect.... | 12/16/1997 |
| 5689867 | Interchangeable clasp An interchangeable clasp comprising a clasp body having a plurality of interconnecting elements consisting of a spring loaded connector member and a receiving recess. The connector typically comprises a hollow cylindrical sleeve and a rigid rod having an ... | 11/25/1997 |
| 5688602 | Method for producing laminated articles The subject invention provides a method for producing a laminated article and the laminated article resulting from such method which comprises contacting a rigid substrate with a plastic material in a liquid or semi-liquid state, said plastic material bei... | 11/18/1997 |
| 5676485 | Ball joint used for steering arrangement or joint of suspension system of automobile A ball joint used for a steering arrangement or a suspension system of automobiles, comprises a housing having an inner side formed into a polygonal shape; a ball seat having an outer body surface formed as the same polygonal shape as formed in the housin... | 10/14/1997 |
| 5664655 | Spline Disclosed is an improvement of the spline used for a mechanical apparatus for transmitting/cutting-off power by using friction discs. The spline includes an internal spline in the form of a semi-circular groove and an external spline with both edges there... | 09/09/1997 |
| 5659485 | Discharge flow control system and method in hydraulic pump A discharge flow control system and method of a hydraulic pump driven by an engine for the minimization of the difference between a discharge mount of flow in the pump and total mount of operating oil necessary to operate each actuator in hydraulic equipm... | 08/19/1997 |
| 5643531 | Ferrous alloy composition and manufacture and coating methods of mechanical products using the same Disclosed is a manufacture and coating method of mechanical products using ferrous alloy in order to improve wear, corrosion, and heat resistances of the mechanical products which are exposed to friction and wear environments with or without lubricating c... | 07/01/1997 |
| 5638863 | Amplifying system for solenoid controlled proportion valve This invention is concerned with an amplifying system with a microprocessor which makes it possible to adjust parameters easily with a simple construction and to perform automatically a simple repeating work without manual operation. The system is also pr... | 06/17/1997 |
| 5637967 | Regeneration control device using brake inertia in industrial electric vehicles and method therefor Disclosed is a regeneration device used for industrial electric vehicle including a main controller having a microcomputer, a contactor circuit having forward and reverse current paths comprised of a DC choke coil, a battery, and an acceleration switch co... | 06/10/1997 |
| 5599073 | Hydraulic system for controlling a brake system and a suspension system of a wheel-type excavator A hydraulic system controls a brake system and a suspension system of a wheel-type excavator. The system has a switching section for electrically controlling various systems such as a brake system and a suspension system of the excavator. The system perfo... | 02/04/1997 |
| 5591446 | Methods and agents for the prophylaxis of atopy A method for atopy prophylaxis involves administering an agent comprising γ-linolenic acid, dihomo-γ-linolinic acid, the physiologically compatible salts, esters, amides, phospholipids, glycolipids thereof, and/or prostaglandin E1 (PGE1 | 01/07/1997 |
| 5590730 | Straight travelling apparatus for construction vehicles Straight travelling apparatus for construction vehicles capable of keeping the construction vehicle travelling straight even when a work implement of the construction vehicle is manipulated during travelling. The apparatus includes hydraulic circuitry for... | 01/07/1997 |
| 5585426 | Process for imparting an electrostatic charge to powders to render them useful for coating application A process for improving the electrostatic charge developed on a resin powder composition for electrostatic coating of solid objects and the method of application thereof. The resin powder comprises (i) a thermosetting or thermoplastic resin and (ii) an el... | 12/17/1996 |