The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 5853189 | Cart The invention is a cart assembly having an upper and a lower deck whose body may be assembled in a single procedure using only one hand and whose body including the wheels can collapse to fit behind the driver's seat of a standard cab version of any size ... | 12/29/1998 |
| 5836194 | Portable tube-bending machine A portable tube-bending machine for receiving a length of tubular material 10 and repeatedly crimping the length of tubular material 10 to form an elbow. It includes a so-called toggle assembly 24, a carriage assembly 70 and an operating shaft assembly 50... | 11/17/1998 |
| 5833154 | Line length measuring device for fishing reel A line length measuring device for a fishing reel to measure the fishing line amount let out or wound based on the number of spool revolutions and has as an object the line length measurement regardless of the length of the fishing line. The present inven... | 11/10/1998 |
| 5820876 | Transdermal therapeutic system A therapeutic system for supplying active substances to the skin consists of a backing layer remote from the skin, with at least one active substance depot. The depot may consist of a fluid active substance or a fluid composition comprising an active subs... | 10/13/1998 |
| 5799977 | Gas generator for seat belt retracting power generating device This invention relates to a gas generator for a seat belt retracting power generating device to supply power to an emergency retracting device of a seat belt retractor, and aims to reliably ignite an ignition agent and a driving agent by concentrating fla... | 09/01/1998 |
| 5791334 | Heat pack resistant to saddle-bagging A heat pack for use as a warmer mattress for infants is formed of a flexible container at least partly filled with a supercooled aqueous salt solution which is selectively trigger-activated to produce heat by exothermic crystallization. The container is c... | 08/11/1998 |
| 5786295 | Method for producing metallic catalyst carrier This invention relates to a method for producing a metallic catalyst carrier used for a catalytic convertor for an automobile, for example, and calcines a metallic catalyst carrier element obtained by alternately winding or laminating metallic plates in v... | 07/28/1998 |
| 5774904 | Automatic toilet seat cover closing device A device for automatically closing a toilet bowl cover upon flushing of the toilet has an elongated housing with a water outlet port formed therethrough and a water inlet port connectable to a source of water. The forward end has a central aperture for pa... | 07/07/1998 |
| 5771089 | Progressive spectacle lens A progressive spectacle lens is described which has a convex aspherical front surface 1 and a concave aspherical back surface 2, of which at least one surface contributes to the power increase from the distance portion 3 over the progression corridor 4 to... | 06/23/1998 |
| 5762502 | Process for adhering composites to human teeth A process for conditioning dentin surfaces in teeth to provide improved bonding strength between restorative materials and a tooth to be restored is disclosed. The process includes exposing a cut tooth surface to at least one enzyme, and then rinsing the ... | 06/09/1998 |
| 5753849 | Gas-operated timing demolition delay Time delay apparatus for providing a firing action at the end of a predetermined time-delay period. It is used with a source of fluid under pressure, and defines a fluid-receiving chamber for accumulating the fluid when released from the source. A flow co... | 05/19/1998 |
| 5704158 | Tackle management system A tackle management system for securely organizing fishing tackle or the like. The system comprises a cabinet with a passageway for removing and inserting boxes within the cabinet. Boxes are sized for storage within the cabinet. The cabinet includes a ser... | 01/06/1998 |
| 5664828 | Support device for use in simultaneous nursing of twin infants A device for support of two infants for simultaneous feeding thereof by a sole user includes a rigid platform disposed on arms of a chair in which the user of the device is seated. A cushion is disposed on the rigid platform upon which the infants are sup... | 09/09/1997 |
| 5662096 | Trigger to activate supercooled aqueous salt solution for use in a heat pack A trigger to initiate crystallization of a supercooled aqueous salt solution of a heat pack, thereby liberating heat. The trigger, when activated, pierces the container, allowing the salt solution to contact salt crystals, and initiate crystallization of ... | 09/02/1997 |
| 5645296 | Air bag inflation gas generator This invention relates to an air bag inflation gas generator used to inflate air bags such as air bags for impact safety devices, life jackets, rafts, and escape chutes, and aims to simplify its structure extensively as compared with prior art and to make... | 07/08/1997 |
| 5626876 | Floating system for oral therapy The invention relates to a floatable, oral, therapeutic system, in which a lengthening of the gastrointestinal residence time of medicaments and a controlled delivery thereof are achieved by systems, which are specifically lighter than the gastric fluid, ... | 05/06/1997 |
| 5619073 | Propellant grains and process for the production thereof A batch process produces unitary grains of propellant material. A constituent mixture of the material is prepared by mixing constituents while heating to at least a predetermined pouring temperature within a permissible temperature range. The constituent ... | 04/08/1997 |
| 5614887 | Patient monitoring system and method thereof A patient monitoring system and method include a neuro-sensory motor stimulator which is applied to a patient. A resetting device and a stimulating device are in contact with the patient, and upon activating the resetting device, the stimulating device is... | 03/25/1997 |
| 5605085 | Circle cutting device A circle cutting device for selectively rotatably retaining a workpiece in a jigsaw permits a user of the circle cutting device to cut accurate circles with the jigsaw. The circle cutting device includes an elongated track secured to the jigsaw, and furth... | 02/25/1997 |
| 5603582 | Linear connector of plastic material for joining two parallel hollow spacing profiles of multiple insulating glass units The invention relates to a linear connector of plastic material for joining two parallel hollow spacing profile tracks or hollow bar profile tracks of multiple insulating glass units used for windows to reduce heat loss from building interiors and forming... | 02/18/1997 |
| 5589588 | Sulfated acid amides having anticoagulant properties A sulfated acid amide having heparin-like properties of the formula: (R1)--NH--R--NH--(R1) where R1 is a di-, tri- or tetra-saccharide acid selected from cellobiose, cellotriose, cellotetrose, maltose, maltotriose and maltotetrose o... | 12/31/1996 |
| 5588918 | Golf putting cup A golf putting practice device includes a base portion having a surface and a perimeter. The device includes substantially flat ramp structures, connected side-by-side around and substantially adjacent to the perimeter of the base portion. Each ramp struc... | 12/31/1996 |
| 5577328 | Electrical conduit entry template A template for facilitating marking of entry holes in a surface for passage therethrough of conduit has a flat portion formed of semi-rigid material and two flat sides. The flat portion has a central opening and a plurality of markings on one side. The ma... | 11/26/1996 |
| 5578787 | Gas generating agent of air bag inflation gas generator This invention relates to an air bag inflation gas generator used to inflate air bags such as air bags for impact safety devices, life jackets, rafts, and escape chutes, and particularly to a gas generating agent disposed within the device to generate a c... | 11/26/1996 |
| 5570692 | Ultrasonic doppler blood flow detector for hemorrhoid artery ligation An ultrasonic doppler blood flow detector used for hemorrhoid artery ligation having a hollow insertion cylinder which is enclosed at the distal end and open at the near end, and can be inserted through the anus; the cylinder has an ultrasound transducer ... | 11/05/1996 |
| 5571271 | Air bag inflation gas generator This invention relates to an air bag inflation gas generator and aims to surely retain the space between an igniter and an ignition agent of a gas generating agent pack and to surely caulk an end cap. This invention has a longitudinal cylindrical member h... | 11/05/1996 |
| 5560138 | Fishing rod holder A device for supporting a fishing rod in a preselected position in relation to a structural surface, includes a base adapted for attachment to the structural surface and a body slidably releasably connected to the base. The body is formed to receive and r... | 10/01/1996 |
| 5558139 | Liquid oxygen system A system for compactly safely storing and delivering oxygen has a plurality of elements interconnected by fluid lines and includes a liquid oxygen tank, a filler valve and a vent valve. The new system also includes a differential pressure gauge located be... | 09/24/1996 |
| 5544600 | Knee control mechanism for industrial sewing machine A knee control mechanism is provided for operation of a machine. The mechanism includes at least one knee contact surface operatively connected to the machine in such manner as to permit operation of the machine while the operator is standing with both fe... | 08/13/1996 |
| 5538736 | Active substance-containing plaster for the controlled administration of active substances to the skin The invention relates to an active substance-containing plaster for the controlled administration of active substances to the skin, which has a back and a skin side, with a back layer, an active substance reservoir divided substantially perpendicularly to... | 07/23/1996 |
| 5535646 | Ratchet drive A ratchet drive mechanism is substantially completely enclosed within the housing of a hand tool. The ratchet drive mechanism includes a drive link having forwardly and rearwardly disposed ends within the tool housing. The drive link is adapted to engage ... | 07/16/1996 |
| 5531211 | Archery arm guard A device for attachment to an archery bow facilitates placement of the bow arm of the archer. The device includes a plurality of pieces adapted for attachment to the bow and which are movably interconnected to one another in such manner as to be adjustabl... | 07/02/1996 |
| 5525478 | Soluble thrombomodulin-based one-stage assay for vitamin-K dependent coagulation-inhibiting proteins The present invention provides a novel one-stage assay which uses soluble thrombomodulin for directly determining the functional status in plasma of the vitamin K-dependent coagulation-inhibiting proteins, protein C and protein S. The method comprises com... | 06/11/1996 |
| 5495799 | Printing plate with a mesh layer forming pigment storing wells A printing plate with a mesh material, a removable substrate, a substrate, and a paper backing on said substrate. The mesh material has interstices and has first and second surfaces. The substrate is adhered to one of the first and second surfaces of the ... | 03/05/1996 |
| 5484604 | Cross-linked alginate transdermal medicine delivery devices A process for preparing a transdermal drug delivery device includes preparing a polymer matrix by homogenizing about 7 weight % sodium alginate with about 3.5 weight % glycerol for about 5 minutes, mixing with about 0.5 weight % nicotine in about 89 weigh... | 01/16/1996 |
| 5484211 | Self-aligning flanged bearing A one-piece, self-aligning bearing is disclosed which includes a cylindrical bearing sleeve of uniform thickness having an outwardly convex hemispherical flange projecting from a first end of the sleeve and arching longitudinally toward an opposite second... | 01/16/1996 |
| 5468016 | Gas generating agent pack of air bag inflation gas generator This invention relates to a gas generating agent pack of an air bag inflation gas generator that is used to form a combustion chamber in the air bag inflation gas generator and aims to steeply improve reliability for ignition capacity as compared with the... | 11/21/1995 |
| 5464207 | Break-away basketball goal A basketball goal for use with a basketball backboard having a front surface has a rigid annular rim which is normally disposed horizontally during play and a rigid metal plate fixed to the rigid annular rim and extending rearwardly therefrom in coplanar ... | 11/07/1995 |
| 5458885 | Basic active component-permeable pressure sensitive adhesive polymer material process of the production thereof and use thereof A transdermal system employing a basic active component-permeable, pressure sensitive adhesive polymer material, particularly for use with basic active components for use in transdermal administration of systemically or topically acting medicaments consti... | 10/17/1995 |
| 5455002 | Plastic working method for holed metal parts A plastic working method for making a holed metal part. A holed blank with a through hole is placed at the center in a die member which has a die and a container continuing to the die. The die is pushed toward a punch, inserting into the through hole a fi... | 10/03/1995 |