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 |
| D653085 | Food plate with beverage container receiving portion | 01/31/2012 |
| D649819 | Over-the-door shoe rack | 12/06/2011 |
| D646939 | Long necked socket wrench | 10/18/2011 |
| D613423 | Ladder safety rest | 04/06/2010 |
| D604709 | Multi-screen flip cell phone | 11/24/2009 |
| 7481168 | Off-track railroad track undercutter apparatus An undercutter apparatus for scooping out contaminated gravel from beneath railroad tracks is designed for use off of the rail road tracks. It can be used when the grade of the ground adjacent to the railroad tracks is quite different from the grade of the railroad ... | 01/27/2009 |
| 7401657 | Ground scraper A ground scraper designed to be pulled by a tractor or the like includes a pair of parallel frame rails with a scraper blade between them and perpendicular to them. The scraper blade can lowered to a preferred depth of scraping and can be raised above the bottom of ... | 07/22/2008 |
| 7325839 | Condensate drain hose fitting for a floor drain A drain fitting includes a cylindrical body that is sealed against a floor drain cover to confine condensate liquid, such as from an air conditioner, inside the perimeter of the drain fitting by tightening a self-tapping screw that is inserted into a hollow stem in ... | 02/05/2008 |
| 7311343 | Temporary handles for moving awkwardly sized objects A pair of handles is strapped or screwed to a load, such as a used furnace to allow it to be picked up and carried more readily. Each handle projects above the top edge of the load and is connected to an elongated member that is flat against one side of the load. Th... | 12/25/2007 |
| D544330 | Three lobed handle for tools | 06/12/2007 |
| 7127987 | Two-piece die for simultaneously cutting and embossing A two-piece die for simultaneously embossing a pattern into a web of material and cutting out that pattern from the web includes a flexible die member having male embossing patterns surrounded by a male die cutting edge. A base die member has female patterns into wh... | 10/31/2006 |
| 7127844 | Reminder display envelope A reminder card having a printed message is printed directly on the mailing envelope on the rear lower portion of the envelope and is perforated for easy removal. The reminder card is slipped into a window pocket on the front face of the envelope to display the remi... | 10/31/2006 |
| 7120524 | System for measuring points on a vehicle during damage repair A carriage moves back and forth under a vehicle and three cameras or laser fixed along one axis pivot in a common plane, utilizing two cameras at time to locate a target fixed to a reference point on the undercarriage of the vehicle. Triangulation calculations, comb... | 10/10/2006 |
| 7077237 | Chain railing system for scaffolding A lock utilizing a retractable pin is used to capture one link of a chain to fasten the chain to one or more vertical uprights. The user depresses a bolt that protrudes from the hollow vertical stake member to overcome spring tension and slide a hardened pin away fr... | 07/18/2006 |
| 7014264 | Folding chair with pnuematically height adjustable seat A folding chair has a height adjustable seat whose height is controlled by a pneumatic cylinder having locking springs is seated inside each of the two tubular front legs of the chair. A trigger mechanism allows the user to release the locking aspect of the springs,... | 03/21/2006 |
| 6722689 | Flexible handle jogging stroller A jogging stroller for carrying a baby includes three wheels mounted on a frame that holds a cloth seat and includes frame rails that project upwardly and rearwardly from a single front wheel to a horizontal handlebar member at the rear of the stroller. A pair of ha... | 04/20/2004 |
| 6685332 | Stair stringer light set A light rope runs along the stringer of a stairway and is concealed by in-fill panels fitted into a groove on a frame rail running along the wall or stringer adjacent to the stairway. A light grille having a square frame and a patterned grille insert is s... | 02/03/2004 |
| 6561736 | Frictional coupler and stiffener for strengthening a section of piling Sheathing members surround the pile and are clamped to it by bolts inserted through flange members or portions outside the piles, which clamp the sheathing members against the pile above and below a deteriorated section of a pile and which bridge the dete... | 05/13/2003 |
| 6561995 | Splint system for two or more adjacent fingers of the hand A splint system for two or more adjacent fingers of the hand includes a splint body for with the splint member for any particular finger having an extension member with a depending tongue that is received in a receiving channel formed in the end of the sp... | 05/13/2003 |
| 6520925 | Splint system for the thumb A splint system for the thumb includes a planar base portion that fits into the user's palm and an extension portion lying at an angle of 40-60 degrees to the horizontal. The thumb is held in an extended position and strapped to the extension portion. An ... | 02/18/2003 |
| 6503216 | Palm splint system A splint system for the palm of the hand includes a splint body includes a splint body in the form of a block having an outwardly curving rear surface that is pressed against the palm of a patient's palm and fastened thereto by a strap secured to itself b... | 01/07/2003 |
| 6499332 | Wheel alignment apparatus for bending front axles A pair of upright arms are connected at their lower ends to an anchoring beam that lies on the floor after the truck is driven onto a ramp. The front truck axle is positioned below the top ends of the upright arms, which are then joined by a pressure dist... | 12/31/2002 |
| 6394042 | Gas fired tube and shell heat exchanger A gas fired tube and shell heat exchanger directs a flame directly into an inlet end of the tube bundle and the flame and exhaust are drawn through the tube bundle by an induced draft blower located in the exhaust stream outside of the shell. Liquid to be... | 05/28/2002 |
| 6263647 | Horse saddle tree having fabric reinforced rubber bars A saddle tree for a horse saddle includes a pair of spaced opposed flexible rubber bars having a fork attached to the front of the saddle tree and a cantle attached to the rear of the saddle tree. The fork and cantle are made from wood or the like and are... | 07/24/2001 |
| 6260663 | Paint can holder for use with ladder having tubular rungs A bucket portion is connected to a handle portion in a unitary molded apparatus. The bucket portion holds a one-gallon (4 liter) paint can and includes a bottom well that includes a central circular recessed well portion to accept and retain a 1 quart (1 ... | 07/17/2001 |
| 6193689 | Intravenous liquid flow regulator An I.V. bag is connected to a drip chamber, then to a conventional tube clamp and a regulating tube containing a wick or other material that breaks surface tension of the liquid in the tube, which flows into a bubble separator that forces any remaining en... | 02/27/2001 |
| 6152553 | Modular furniture construction system A system of modular furniture construction includes basic elements of corner posts, intermediate posts, and a corner leg converter post, which each have longitudinal slots to receive panels and a rows of equally spaced holes for retaining fasteners that h... | 11/28/2000 |
| 6063121 | Vertebral body prosthesis An upper plate includes a depending truncated cone member that supports a ball. A lower plate supports an upstanding truncated cone member that supports a cup socket that the ball is press fitted into. The cup socket embraces the ball to a line above the ... | 05/16/2000 |
| 6053709 | Pump for moving viscous fluid materials A pneumatically driven pump includes a piston threadably connected to each end of a common connecting hollow rod which is inserted over a pumped material receiving tube, with this assembly enclosed in a housing. The pistons reciprocate in response to comp... | 04/25/2000 |
| 6029308 | Mop with quick connect and release connector between the handle and the mop head A mop with a quick-release connector for connecting a handle to a mop head comprises a female section for attachment to the handle and a male fitting for attachment to the mop head. The male fitting includes a flat thin base portion that is sewn into the ... | 02/29/2000 |
| 6013060 | Intravenous liquid flow regulator An I.V. bag is connected to a drip chamber, then to a conventional tube clamp and a regulating tube containing a wick or other material that breaks surface tension of the liquid in the tube, which flows into a bubble separator that forces any remaining en... | 01/11/2000 |
| 5820958 | Non-cracking, smooth, and flat patch for wall cracks A elastic membrane includes a pair of parallel strips of a lamination consisting of a non-stretchable plastic film coated on both sides with a pressure sensitive adhesive, resulting in a pair of pressure sensitive adhesive bands bonded to a rear side of t... | 10/13/1998 |
| 5813800 | Process for replacing and loading a damaged section of a pile Damaged sections of existing piles are replaced with a replacement pile section that includes various segments, including a jack section for sizing and preloading the replacement pile section to original design loads and strengths. The replacement pile se... | 09/29/1998 |
| 5810593 | Three-dimensional ornamental dental appliance jewelry and method for attaching it directly to the surface of a tooth A process for producing and installing a three-dimensional ornamental jewelry dental appliance onto a target tooth selected by the patient without employing a crown is disclosed, as is the structure of the ornamental appliance itself. The dental appliance... | 09/22/1998 |
| 5738329 | Cut tree or artificial tree stand with chain latching mechanism A stand for supporting and displaying cut trees includes a closed hexagonal base having three upwardly and inwardly projecting legs that converge in about the center of the hexagonal base and that support a V-shaped cradle having upper and lower cradle ar... | 04/14/1998 |
| 5735057 | Shingle gauge A shingle gauge includes a circular collar that is adjustable secured to the hammerhead of a conventional hammer and includes a pair of rearwardly projecting side rails, which are connected by a stud having a cylindrically headed nuts fastened outside the... | 04/07/1998 |
| 5730489 | Combination folding chair and table having a small profile when folded A folding chair/table includes a rigid seat attached to an X-frame with four legs that fold and then slide under the seat and parallel to it for storage and a rigid backrest connected to a separate backrest frame pivotally attached to the seat, which is s... | 03/24/1998 |
| 5644995 | Rapidly assembled and disassembled portable table, work bench, or the like A portable table consists of four flat planar pieces that can be assembled and disassembled without fasteners, but which may include optional fasteners. The portable table consists of a pair of pedestals, each having a vertical slot from a top edge to a c... | 07/08/1997 |
| 5642689 | Tubular bird feeder with a self-contained seed scoop A tubular bird feeder includes a self-contained seed scoop comprising a depending portion of a top cap, which includes a rim for seating about the exterior of the side wall of the tubular body. A bent wire hanger is inserted into a pair of opposed apertur... | 07/01/1997 |
| 5640949 | Portable barbecue grill and tables for mounting on a trailer hitch at the rear of a vehicle A portable barbecue grill assembly can be readily attached to the trailer receiver hitch of a motor vehicle and cantilevered therefrom to allow the assembly to be taken freely anywhere. The apparatus includes a principal support arm projecting horizontall... | 06/24/1997 |