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 |
| 5538169 | Dual cover vehicle rack cargo carrier A collapsible, cargo carrier designed to be attached to the rack on the roof or truck lid on a vehicle. The carrier includes an enclosure made of durable, water-proof, coated vinyl material with a closeable inner lid. An outer lid is disposed over the inn... | 07/23/1996 |
| 5536418 | Method for processing multiple, small batches of waste material An improved method for processing multiple small batches of waste material from different collection sites is provided. The method uses an apparatus designed to process small batches of waste material from a collection site, such as a septic tank, into wa... | 07/16/1996 |
| 5503580 | Tension load water ski handle system A water ski handle system designed to partially absorb and evenly distribute forces generated on the handle component and tow line while skiing. The handle system includes a handle component with two L-shaped corner struts attached to its opposite, opened... | 04/02/1996 |
| 5495644 | Ornamental gripping device for holding gift cards onto gift packages A combination ornamental and gripping device (30), designed especially to allow a novel and improved method for securely holding a flat object (10) such as a gift card or the like to a gift package (20) while providing ornamentation for the gift package (... | 03/05/1996 |
| 5478189 | Lift gate cargo cart Disclosed herein is a lift gate cargo cart made of strong, lightweight material, which includes a pallet structure designed to transport cargo that can be selectively attached to the hydraulic lift gate on a delivery truck. When attached to the lift gate,... | 12/26/1995 |
| 5427063 | Variable compression ratio cylinder An internal combustion engine having at least one volume adjustable cylinder which automatically adjusts its compression ratio during operation. The volume adjustable cylinder includes a movable head insert placed inside the insert space formed on the eng... | 06/27/1995 |
| 5419306 | Apparatus for heating liquids An apparatus which uses friction to generate heat for heating liquids. The apparatus includes a cylindrical rotor disk housed inside a close-fitting housing structure. The rotor disk is connected to the shaft of a motor which turns the rotor disk at high ... | 05/30/1995 |
| 5380427 | Small batch waste material treatment apparatus and system A treatment apparatus and system for treating small batches of waste material from a septic tank or holding tank of a portable restroom service truck. The apparatus includes at least one processing tank capable of holding a small batch of waste material. ... | 01/10/1995 |
| 5370396 | Pivoting golf club Disclosed herein is an improved golf club having an improved one-way hinge which is more durable than hinges used on typical hinged golf clubs. The hinged golf club includes a tubular shaft divided into an upper and lower sections with the improved hinge ... | 12/06/1994 |
| 5355811 | Adjustable leg supported mouse pad The adjustable leg supported mouse pad designed to enable a user to use a mouse input device directly over his or her upper leg or thigh while sitting. The leg supported mouse pad includes a saddle structure capable of engaging the user's thigh and horizo... | 10/18/1994 |
| 5346592 | Combined water purification and power of generating plant A combined water purification and power generating plant is disclosed having special features designed to maximize the cycle thermal efficiency and salt recovery, with little or no concentrated brine produced therefrom. Using the plant, a volume of salt w... | 09/13/1994 |
| 5341972 | Wrist watch wallet A wrist watch wallet is disclosed having a main band with a watch attached to the outer surface thereof. The main band is designed to conveniently store in a concealed manner such items as currency, keys, and event tickets. The main band is made of thin, ... | 08/30/1994 |
| 5340387 | Color transforming art medium compositions Color transforming art medium compositions are disclosed herein useful in both the fine and industrial art fields. Spectrally transforming ink and paint compositions comprising one or more spectral elements mixed in a 3% to 50% ratio by volume with a pigm... | 08/23/1994 |
| 5305706 | Page number indicating bookmarker A page number indicating bookmarker capable of being selectively attached to a planar surface in a book which enables a reader to record a desired page number. The page number indicating bookmarker includes plurality of digit indicators which may be selec... | 04/26/1994 |
| 5297846 | Pivoting bicycle seat assembly Disclosed herein is a bicycle seat assembly designed for optimal comfort and riding efficiency. The assembly includes a forward, upward extending, rigid support member adjustably attached to the seat tube on a bicycle. In one embodiment, the support membe... | 03/29/1994 |
| 5256006 | Driving cap for stakes and posts A driving cap for forcibly driving a wooden stake or fence post into the ground. The driving cap includes a horizontal hitting surface capable of withstanding the forces exerted manually by a hitting tool, such as a hammer, and an integrally attached slee... | 10/26/1993 |
| 5244103 | Health club sales display A health club sales display having a free weight model attached to a vertically disposed support member capable of selectively holding a sign thereto. In the first embodiment, the free weight model is a dumb-bell replica designed to be placed horizontally... | 09/14/1993 |
| 5242063 | Bathroom vertical surface organizer An organizing device for holding objects on a vertical surface, particularly well suited for a vertical surface near a bathtub or shower stall. In the preferred embodiment, the device includes a relatively large base member selectively attached to the ver... | 09/07/1993 |