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| Number | Title | Issue Date |
| 5186467 | Sports game Two decks of cards are employed in an enjoyable sports trivia and memorabilia game which stimulates a player's ability to recall players on famous sports teams. The first deck of cards is composed of cards having a number printed on one side. The second d... | 02/16/1993 |
| 5174335 | Bidirectional vacuum valve To evacuate a vacuum chamber without stirring up particles in the chamber or associated piping, a pneumatically-actuated vacuum valve is used between the chamber and the vacuum pump. The valve controls evacuation in two stages: in the first stage, the val... | 12/29/1992 |
| 5175755 | Use of a Kumakhov lens for X-ray lithography An X-ray lithography device which utilizes a Kumakhov lens is disclosed. This device is capable of using both small area sources and synchrotron sources. This device provides improved X-ray control, precision and accuracy. Also provided is a method of X-r... | 12/29/1992 |
| 5050942 | File interlock system An interlock system for use in an array of retractable storage cradles. The instant system prevents the opening of more than one cradle at one time through a slide modified generally by a biased cam insertion-extraction means and a column of movable compo... | 09/24/1991 |
| 5037089 | Exercise device having variable resistance capability An exercise device for use in weight training, body building, and the like, in which exertion against resistance is utilized to promote bodily development. The device has a training load with a plurality of individual weights, and the number of weights ar... | 08/06/1991 |
| 5032423 | Method of forming conductor pattern on dielectric A method of forming a conductor pattern on a dielectric substrate and a firing furnace thereof are disclosed, the method comprising; a step of passing an electric current through coils wound on the outside of insulation wall of a firing furnace in order t... | 07/16/1991 |
| 5031456 | Method for the detection of voids and corrosion damage by thermal treatment The present invention provides a method of detecting a void-related fault in a metal or metal alloy component. The method comprising filling the fault with a fluid, preferably liquid; treating the component and fluid so as to produce thermal-excitation in... | 07/16/1991 |
| 5032372 | Dilute-phase chlorination procedure An improved dilute phase chlorination procedure characterized by providing extremely finely divided oxygen-containing metallic material and a carbonaceous material co-milled together to a particle size size of less than 20 microns. The finely divided char... | 07/16/1991 |
| 5021275 | Ornamental stickers necessitating no separate cutting process and the manufacturing method thereof An ornamental sticker having a configuration in which an adhesive layer, a basic plate layer, and a multicolored printing layer are formed as one body to make an applique sheet, which sticker requires no separate cutting process in the manufacturing there... | 06/04/1991 |
| 5002464 | Double buffer vacuum system The subject invention provides a double buffer vacuum system having a high vacuum inner chamber, a rough vacuum outer chamber, two rough vacuum pumps, a high vacuum pump, and two vacuum gauges. The double buffer vacuum system is adaptable for use in equip... | 03/26/1991 |
| 4998090 | Engine ignition cable for preventing unwanted interference due to high frequency noise An engine ignition cable in which carbon fiber is mixed with conductive rubber or synthetic resin, to provide a conductive portion in which the resistance value is readily adjusted. The conductive element of the cable is made of carbon fiber of polyacrylo... | 03/05/1991 |
| 4996041 | Method for introducing oxygen-17 into tissue for imaging in a magnetic resonance imaging system A diagnostic imaging agent is provided for use in conjunction with a magnetic resonance imaging system for the imaging of spacial oxygen distribution in tissue. The imaging agent is comprised of a complex of oxygen-17, a biologically acceptable liquid car... | 02/26/1991 |
| 4988022 | Garment hanger shoulder guard and blank therefor A card stock blank is convertible into a garment hanger shoulder guard which is storable in flat condition with no remaining assembly operations. The blank has base and top edges, a first fold line perpendicular to and extending from the base edge along a... | 01/29/1991 |
| 4960812 | Polyester resin compound Polyester resin compounds useful as plastic materials which demonstrate good surface characteristics, excellent physical properties and outstanding formability, particularly when processed at a temperature lower than 100° C. are disclosed. Superior chara... | 10/02/1990 |
| 4960803 | Fire retardant foam materials A method is provided for making a fire retardant rigid polyurethane foam. The method comprises reacting, in the presence of a non-metallic catalyst: (a) a polyol having a molecular weight between about 200 and about 6000; (b) polyisocyanate; (c) a foaming... | 10/02/1990 |
| 4952507 | Production and diagnostic use of antibodies against pancreatic alpha-amaylase Antibodies specific for pancreatic alpha-amylase and methods for their production are described. These antibodies may be used for the detection and quantification of pancreatic alpha-amylase in biological fluids, tissue extracts, or extracts of stains of ... | 08/28/1990 |
| 4945965 | Safety tube assembly for pneumatic tires A safety tube assembly for a pneumatic tire, the assembly including a plurality of balloons being contiguously disposed on the underside of a tread portion of the tire and an annular primary tube accommodated within the circumference of the balloons where... | 08/07/1990 |
| 4942984 | Dripless solder paste dispenser The present invention relates to a dispensing device comprising a housing containing at least three pressure chambers. The upper pressure chamber being separated from the middle pressure chamber by a reciprocating upper piston composed of a head and a ste... | 07/24/1990 |
| 4940269 | Extension unit for door lock An extension unit for a door lock in which it is possible to readily change the backset of the door lock unit to accommodate standard backsets of 23/8 inches and 23/4 inches. The extension unit comprises an extension element, a connector element and a hou... | 07/10/1990 |
| 4926478 | Method and apparatus for continuously acknowledged link encrypting An authentication system in which communication between two locations is provided by a continuous full duplex bidirectional communications highway, which highway is a secure link between the two locations. Each location transmits information to the opposi... | 05/15/1990 |
| 4923981 | Use of parenchymal cell cellulose to improve comestibles Improved comestibles including foods and drugs are provided, incorporating parenchymal cell cellulose. Improved properties, including physicochemical, rheological and nutritional properties result from such incorporation. Stabilized dispersions, emulsions... | 05/08/1990 |
| 4910768 | Automatic balancing circuit for longitudinal transmission system Transmission and reception of first and second information signals over a telephone local loop, simultaneous with voice communications over the same local loop, is possible if the phase and amplitude of said first and second signals are perfectly balanced... | 03/20/1990 |
| 4904703 | High temperature foam A highly temperature resistant foam useful for insulating is disclosed. The foam is particularly useful for insulating stem pipes, hot water heaters and refinery and chemical processing plant pipes. The foam insulation utilizes a cross-linking agent compr... | 02/27/1990 |
| 4891204 | Purification of aluminum chloride Aluminium chloride contaminated with iron chloride is purified by contacting it in vapor form with a bed of particles of aluminium metal interspersed with particles of a chemically inert material. The efficiency of the process may be maintained by acid tr... | 01/02/1990 |
| 4885029 | Thin section dispersion strengthened copper body and method of making same A thin section fibrous, unrecrystallized dispersion strengthened copper body suitable for use in the manufacture of lead frames for integrated circuits and a method for making same.... | 12/05/1989 |
| 4879091 | Equiaxed dispersion strengthened copper product and process for making same This invention relates to substantially full-dense, near-net shape bodies made of dispersion strengthened copper (D.S.C.) powder and products which are cold formed and/or machined from these bodies, such as resistance welding electrodes. The invention inc... | 11/07/1989 |
| 4879017 | Multi-rod type magnetron sputtering apparatus A glow discharge magnetron sputtering apparatus having an improved multi-rod type target which produces a more uniform and higher rate of deposition on a substrate than obtainable in prior art devices, and which is particularly suitable for use in connect... | 11/07/1989 |
| 4876763 | Vacuum cleaner A vacuum cleaner of the present invention can be selectively transformed into a portable, hand-carried position, or a floor-carried, upright position, by changing the position of its handle incorporated with an extension member. Simple connecting means ar... | 10/31/1989 |
| 4873704 | Method and apparatus for effectively doubling the operational speed of selected digital circuits A method and apparatus for effectively doubling the operational speed of certain digital circuit designs. In particular, a digital clock operating at a first frequency is utilized to effectively drive TTL shift registers at twice the frequency of the digi... | 10/10/1989 |
| 4872130 | Automated in-line pipe inspection system A real-time ultrasonic pipe inspection system is provided which utilizes computer processing methods in real-time to create a user-friendly interactive environment achieving ease of operation as well as a combination of consistency, thoroughness and speed... | 10/03/1989 |
| 4872198 | Transient signal elimination circuit for telecommunications applications Transient signal elimination circuitry is disposed in a local communications loop extending from a subscriber telephone to a telephone central office couples ringing and on-hook and off-hook signals through the loop after removing transients in these sign... | 10/03/1989 |
| 4871956 | Method and apparatus for cell monitoring and control A method and apparatus for monitoring the condition of a plurality of electrochemical cells and controlling the output of said cells upon detection of a cell having a lower capacity than the others.... | 10/03/1989 |
| 4847235 | Silica product An ammonia aged silica which can be used for example, in an improved process for chillproofing a malt beverage. The silica is aged with ammonia for a prolonged period of time. Better stability with smaller amounts of silica are obtained.... | 07/11/1989 |
| 4807578 | Apparatus for cleaning fuel injectors and combustion chambers An apparatus for cleaning the fuel injectors and combustion chambers of an internal combustion engine. The apparatus can safely be used "under the hood" of the engine and features a safety fitting which is designed to mate only with a compatible container... | 02/28/1989 |
| 4805216 | Method and apparatus for continuously acknowledged link encrypting The method and apparatus of the invention described herein provide confidential communications between two or more stations whereby the exchanged messages themselves provide the necessary enciphering keys for the messages to be encrypted and transmitted f... | 02/14/1989 |
| 4769071 | Two-step infiltration in a single furnace run There is provided a process for infiltrating a compacted ferrous powder metal body with copper or a copper alloy which process is characterized by presintering the ferrous metal body at a temperature of from about 1875° F. to a temperature below the melt... | 09/06/1988 |
| 4763526 | Ultrasonic wheel probe with improved acoustic barrier This invention relates generally to an ultrasonic wheel probe for rolling along a workpiece to be tested for flaws, having a plurality of ultrasonic acoustic transducers and an acoustic barrier that rest in a coupling fluid. The instant invention comprise... | 08/16/1988 |
| 4754437 | Method of making or drying particulate material An improved method for mixing and/or drying particulate material is achieved with a housing having a substantially cylindrical portion and a tapered portion arranged coaxially therewith. A motor-driven rotor is arranged within the housing and is provided ... | 06/28/1988 |
| 4752334 | Dispersion strengthened metal composites There is provided a substantially fully dense powdered metal composite comprising a highly conductive metal or metal alloy matrix having dispersed therein discrete microparticles of a refractory metal oxide and discrete macroparticles of an additive metal... | 06/21/1988 |
| 4750283 | Picture display device This invention relates to a device for displaying photographs or other graphic materials. The device is constructed out of two pieces of semi-rigid flexible, transparent plastic material which are pre-folded to form a free standing, display enhancing devi... | 06/14/1988 |
